defined in @file{sys/socket.h}.
@pindex sys/socket.h
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int SOCK_STREAM
+@standards{BSD, sys/socket.h}
The @code{SOCK_STREAM} style is like a pipe (@pxref{Pipes and FIFOs}).
It operates over a connection with a particular remote socket and
transmits data reliably as a stream of bytes.
Use of this style is covered in detail in @ref{Connections}.
@end deftypevr
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int SOCK_DGRAM
+@standards{BSD, sys/socket.h}
The @code{SOCK_DGRAM} style is used for sending
individually-addressed packets unreliably.
It is the diametrical opposite of @code{SOCK_STREAM}.
@ignore
@c This appears to be only for the NS domain, which we aren't
@c discussing and probably won't support either.
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int SOCK_SEQPACKET
+@standards{BSD, sys/socket.h}
This style is like @code{SOCK_STREAM} except that the data are
structured into packets.
@end ignore
@ignore
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int SOCK_RDM
+@standards{BSD, sys/socket.h}
This style is a reliable version of @code{SOCK_DGRAM}: it sends
individually addressed packets, but guarantees that each packet sent
arrives exactly once.
@end deftypevr
@end ignore
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int SOCK_RAW
+@standards{BSD, sys/socket.h}
This style provides access to low-level network protocols and
interfaces. Ordinary user programs usually have no need to use this
style.
give it an address. We call this @dfn{binding} the address to the
socket, and the way to do it is with the @code{bind} function.
-You need be concerned with the address of a socket if other processes
+You need only be concerned with the address of a socket if other processes
are to find it and start communicating with it. You can specify an
address for other sockets, but this is usually pointless; the first time
you send data from a socket, or use it to initiate a connection, the
Occasionally a client needs to specify an address because the server
discriminates based on address; for example, the rsh and rlogin
-protocols look at the client's socket address and only bypass password
+protocols look at the client's socket address and only bypass passphrase
checking if it is less than @code{IPPORT_RESERVED} (@pxref{Ports}).
The details of socket addresses vary depending on what namespace you are
The symbols in this section are defined in the header file
@file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftp {Data Type} {struct sockaddr}
+@standards{BSD, sys/socket.h}
The @code{struct sockaddr} type itself has the following members:
@table @code
Each of them corresponds to a @samp{PF_} symbol which designates the
corresponding namespace. Here is a list of address format names:
-@table @code
-@comment sys/socket.h
-@comment POSIX
+@vtable @code
@item AF_LOCAL
-@vindex AF_LOCAL
+@standards{POSIX, sys/socket.h}
This designates the address format that goes with the local namespace.
(@code{PF_LOCAL} is the name of that namespace.) @xref{Local Namespace
Details}, for information about this address format.
-@comment sys/socket.h
-@comment BSD, Unix98
@item AF_UNIX
-@vindex AF_UNIX
+@standards{BSD, sys/socket.h}
+@standards{Unix98, sys/socket.h}
This is a synonym for @code{AF_LOCAL}. Although @code{AF_LOCAL} is
mandated by POSIX.1g, @code{AF_UNIX} is portable to more systems.
@code{AF_UNIX} was the traditional name stemming from BSD, so even most
specification. (The same is true for @code{PF_UNIX}
vs. @code{PF_LOCAL}).
-@comment sys/socket.h
-@comment GNU
@item AF_FILE
-@vindex AF_FILE
+@standards{GNU, sys/socket.h}
This is another synonym for @code{AF_LOCAL}, for compatibility.
(@code{PF_FILE} is likewise a synonym for @code{PF_LOCAL}.)
-@comment sys/socket.h
-@comment BSD
@item AF_INET
-@vindex AF_INET
+@standards{BSD, sys/socket.h}
This designates the address format that goes with the Internet
namespace. (@code{PF_INET} is the name of that namespace.)
@xref{Internet Address Formats}.
-@comment sys/socket.h
-@comment IPv6 Basic API
@item AF_INET6
+@standards{IPv6 Basic API, sys/socket.h}
This is similar to @code{AF_INET}, but refers to the IPv6 protocol.
(@code{PF_INET6} is the name of the corresponding namespace.)
-@comment sys/socket.h
-@comment BSD
@item AF_UNSPEC
-@vindex AF_UNSPEC
+@standards{BSD, sys/socket.h}
This designates no particular address format. It is used only in rare
cases, such as to clear out the default destination address of a
``connected'' datagram socket. @xref{Sending Datagrams}.
The corresponding namespace designator symbol @code{PF_UNSPEC} exists
for completeness, but there is no reason to use it in a program.
-@end table
+@end vtable
@file{sys/socket.h} defines symbols starting with @samp{AF_} for many
different kinds of networks, most or all of which are not actually
prototype for @code{bind} is in the header file @file{sys/socket.h}.
For examples of use, see @ref{Local Socket Example}, or see @ref{Inet Example}.
-@comment sys/socket.h
-@comment BSD
@deftypefun int bind (int @var{socket}, struct sockaddr *@var{addr}, socklen_t @var{length})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c Direct syscall, except on Hurd.
The @code{bind} function assigns an address to the socket
@var{socket}. The @var{addr} and @var{length} arguments specify the
address; the detailed format of the address depends on the namespace.
Internet socket. The prototype for this function is in the header file
@file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftypefun int getsockname (int @var{socket}, struct sockaddr *@var{addr}, socklen_t *@var{length-ptr})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{@acsmem{/hurd}}}
+@c Direct syscall, except on Hurd, where it seems like it might leak
+@c VM if cancelled.
The @code{getsockname} function returns information about the
address of the socket @var{socket} in the locations specified by the
@var{addr} and @var{length-ptr} arguments. Note that the
The following functions, constants and data types are declared in the
header file @file{net/if.h}.
-@comment net/if.h
@deftypevr Constant size_t IFNAMSIZ
+@standards{???, net/if.h}
This constant defines the maximum buffer size needed to hold an
interface name, including its terminating zero byte.
@end deftypevr
-@comment net/if.h
-@comment IPv6 basic API
@deftypefun {unsigned int} if_nametoindex (const char *@var{ifname})
+@standards{IPv6 basic API, net/if.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
+@c It opens a socket to use ioctl on the fd to get the index.
+@c opensock may call socket and access multiple times until it finds a
+@c socket family that works. The Linux implementation has a potential
+@c concurrency issue WRT last_type and last_family not being updated
+@c atomically, but it is harmless; the generic implementation, OTOH,
+@c takes a lock, which makes all callers AS- and AC-Unsafe.
+@c opensock @asulock @aculock @acsfd
This function yields the interface index corresponding to a particular
name. If no interface exists with the name given, it returns 0.
@end deftypefun
-@comment net/if.h
-@comment IPv6 basic API
@deftypefun {char *} if_indextoname (unsigned int @var{ifindex}, char *@var{ifname})
+@standards{IPv6 basic API, net/if.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
+@c It opens a socket with opensock to use ioctl on the fd to get the
+@c name from the index.
This function maps an interface index to its corresponding name. The
returned name is placed in the buffer pointed to by @code{ifname}, which
must be at least @code{IFNAMSIZ} bytes in length. If the index was
@code{ifname}.
@end deftypefun
-@comment net/if.h
-@comment IPv6 basic API
@deftp {Data Type} {struct if_nameindex}
+@standards{IPv6 basic API, net/if.h}
This data type is used to hold the information about a single
interface. It has the following members:
@end table
@end deftp
-@comment net/if.h
-@comment IPv6 basic API
@deftypefun {struct if_nameindex *} if_nameindex (void)
+@standards{IPv6 basic API, net/if.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@ascuheap{} @asulock{/hurd}}@acunsafe{@aculock{/hurd} @acsfd{} @acsmem{}}}
+@c if_nameindex @ascuheap @asulock/hurd @aculock/hurd @acsfd @acsmem
+@c [linux]
+@c netlink_open @acsfd @acsmem/hurd
+@c socket dup @acsfd
+@c memset dup ok
+@c bind dup ok
+@c netlink_close dup @acsfd
+@c getsockname dup @acsmem/hurd
+@c netlink_request @ascuheap @acsmem
+@c getpagesize dup ok
+@c malloc dup @ascuheap @acsmem
+@c netlink_sendreq ok
+@c memset dup ok
+@c sendto dup ok
+@c recvmsg dup ok
+@c memcpy dup ok
+@c free dup @ascuheap @acsmem
+@c netlink_free_handle @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c netlink_close @acsfd
+@c close dup @acsfd
+@c malloc dup @asuheap @acsmem
+@c strndup @ascuheap @acsmem
+@c if_freenameindex @ascuheap @acsmem
+@c [hurd]
+@c opensock dup @asulock @aculock @acsfd
+@c hurd_socket_server ok
+@c pfinet_siocgifconf ok
+@c malloc @ascuheap @acsmem
+@c strdup @ascuheap @acsmem
+@c ioctl dup ok
+@c free @ascuheap @acsmem
This function returns an array of @code{if_nameindex} structures, one
for every interface that is present. The end of the list is indicated
by a structure with an interface of 0 and a null name pointer. If an
use.
@end deftypefun
-@comment net/if.h
-@comment IPv6 basic API
@deftypefun void if_freenameindex (struct if_nameindex *@var{ptr})
+@standards{IPv6 basic API, net/if.h}
+@safety{@prelim{}@mtsafe{}@asunsafe{@ascuheap{}}@acunsafe{@acsmem{}}}
+@c if_freenameindex @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
This function frees the structure returned by an earlier call to
@code{if_nameindex}.
@end deftypefun
@code{PF_LOCAL} as the @var{namespace} argument to @code{socket} or
@code{socketpair}. This constant is defined in @file{sys/socket.h}.
-@comment sys/socket.h
-@comment POSIX
@deftypevr Macro int PF_LOCAL
+@standards{POSIX, sys/socket.h}
This designates the local namespace, in which socket addresses are local
-names, and its associated family of protocols. @code{PF_Local} is the
-macro used by Posix.1g.
+names, and its associated family of protocols. @code{PF_LOCAL} is the
+macro used by POSIX.1g.
@end deftypevr
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int PF_UNIX
+@standards{BSD, sys/socket.h}
This is a synonym for @code{PF_LOCAL}, for compatibility's sake.
@end deftypevr
-@comment sys/socket.h
-@comment GNU
@deftypevr Macro int PF_FILE
+@standards{GNU, sys/socket.h}
This is a synonym for @code{PF_LOCAL}, for compatibility's sake.
@end deftypevr
defined in the header file @file{sys/un.h}:
@pindex sys/un.h
-@comment sys/un.h
-@comment BSD
@deftp {Data Type} {struct sockaddr_un}
+@standards{BSD, sys/un.h}
This structure is used to specify local namespace socket addresses. It has
the following members:
component and the string length (@emph{not} the allocation size!) of
the file name string. This can be done using the macro @code{SUN_LEN}:
-@comment sys/un.h
-@comment BSD
@deftypefn {Macro} int SUN_LEN (@emph{struct sockaddr_un *} @var{ptr})
-The macro computes the length of socket address in the local namespace.
+@standards{BSD, sys/un.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+This macro computes the length of the socket address in the local namespace.
@end deftypefn
@node Local Socket Example
To create a socket in the IPv4 Internet namespace, use the symbolic name
@code{PF_INET} of this namespace as the @var{namespace} argument to
@code{socket} or @code{socketpair}. For IPv6 addresses you need the
-macro @code{PF_INET6}. These macros are defined in @file{sys/socket.h}.
+macro @code{PF_INET6}. These macros are defined in @file{sys/socket.h}.
@pindex sys/socket.h
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int PF_INET
+@standards{BSD, sys/socket.h}
This designates the IPv4 Internet namespace and associated family of
protocols.
@end deftypevr
-@comment sys/socket.h
-@comment X/Open
@deftypevr Macro int PF_INET6
+@standards{X/Open, sys/socket.h}
This designates the IPv6 Internet namespace and associated family of
protocols.
@end deftypevr
* Internet Address Formats:: How socket addresses are specified in the
Internet namespace.
* Host Addresses:: All about host addresses of Internet host.
-* Protocols Database:: Referring to protocols by name.
* Ports:: Internet port numbers.
* Services Database:: Ports may have symbolic names.
* Byte Order:: Different hosts may use different byte
ordering conventions; you need to
canonicalize host address and port number.
+* Protocols Database:: Referring to protocols by name.
* Inet Example:: Putting it all together.
@end menu
are defined in the header file @file{netinet/in.h}.
@pindex netinet/in.h
-@comment netinet/in.h
-@comment BSD
@deftp {Data Type} {struct sockaddr_in}
+@standards{BSD, netinet/in.h}
This is the data type used to represent socket addresses in the
Internet namespace. It has the following members:
@table @code
@item sa_family_t sin_family
This identifies the address family or format of the socket address.
-You should store the value @code{AF_INET} in this member.
-@xref{Socket Addresses}.
+You should store the value @code{AF_INET} in this member. The address
+family is stored in host byte order. @xref{Socket Addresses}.
@item struct in_addr sin_addr
-This is the Internet address of the host machine. @xref{Host
-Addresses}, and @ref{Host Names}, for how to get a value to store
-here.
+This is the IPv4 address. @xref{Host Addresses}, and @ref{Host
+Names}, for how to get a value to store here. The IPv4 address is
+stored in network byte order.
@item unsigned short int sin_port
-This is the port number. @xref{Ports}.
+This is the port number. @xref{Ports}. The port number is stored in
+network byte order.
@end table
@end deftp
@item sa_family_t sin6_family
This identifies the address family or format of the socket address.
You should store the value of @code{AF_INET6} in this member.
-@xref{Socket Addresses}.
+@xref{Socket Addresses}. The address family is stored in host byte
+order.
@item struct in6_addr sin6_addr
This is the IPv6 address of the host machine. @xref{Host
Addresses}, and @ref{Host Names}, for how to get a value to store
-here.
+here. The address is stored in network byte order.
@item uint32_t sin6_flowinfo
-This is a currently unimplemented field.
+@cindex flow label
+@cindex IPv6 flow label
+@cindex traffic class
+@cindex IPv6 traffic class
+This combines the IPv6 traffic class and flow label values, as found
+in the IPv6 header. This field is stored in network byte order. Only
+the 28 lower bits (of the number in network byte order) are used; the
+remainig bits must be zero. The lower 20 bits are the flow label, and
+bits 20 to 27 are the the traffic class. Typically, this field is
+zero.
+
+@item uint32_t sin6_scope_id
+@cindex scope ID
+@cindex IPv6 scope ID
+For link-local addresses, this identifies the interface on which this
+address is valid. The scope ID is stored in host byte order.
+Typically, this field is zero.
@item uint16_t sin6_port
-This is the port number. @xref{Ports}.
+This is the port number. @xref{Ports}. The port number is stored in
+network byte order.
@end table
@end deftp
colons, as in @samp{5f03:1200:836f:c100::1}.
Each computer also has one or more @dfn{host names}, which are strings
-of words separated by periods, as in @samp{mescaline.gnu.org}.
+of words separated by periods, as in @samp{www.gnu.org}.
Programs that let the user specify a host typically accept both numeric
addresses and host names. To open a connection a program needs a
the header file @file{netinet/in.h}:
@pindex netinet/in.h
-@comment netinet/in.h
-@comment BSD
@deftp {Data Type} {struct in_addr}
+@standards{BSD, netinet/in.h}
This data type is used in certain contexts to contain an IPv4 Internet
host address. It has just one field, named @code{s_addr}, which records
the host address number as an @code{uint32_t}.
@end deftp
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro {uint32_t} INADDR_LOOPBACK
+@standards{BSD, netinet/in.h}
You can use this constant to stand for ``the address of this machine,''
instead of finding its actual address. It is the IPv4 Internet address
@samp{127.0.0.1}, which is usually called @samp{localhost}. This
talking to itself.
@end deftypevr
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro {uint32_t} INADDR_ANY
+@standards{BSD, netinet/in.h}
You can use this constant to stand for ``any incoming address'' when
binding to an address. @xref{Setting Address}. This is the usual
address to give in the @code{sin_addr} member of @w{@code{struct
sockaddr_in}} when you want to accept Internet connections.
@end deftypevr
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro {uint32_t} INADDR_BROADCAST
+@standards{BSD, netinet/in.h}
This constant is the address you use to send a broadcast message.
@c !!! broadcast needs further documented
@end deftypevr
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro {uint32_t} INADDR_NONE
+@standards{BSD, netinet/in.h}
This constant is returned by some functions to indicate an error.
@end deftypevr
-@comment netinet/in.h
-@comment IPv6 basic API
@deftp {Data Type} {struct in6_addr}
+@standards{IPv6 basic API, netinet/in.h}
This data type is used to store an IPv6 address. It stores 128 bits of
data, which can be accessed (via a union) in a variety of ways.
@end deftp
-@comment netinet/in.h
-@comment IPv6 basic API
@deftypevr Constant {struct in6_addr} in6addr_loopback
+@standards{IPv6 basic API, netinet/in.h}
This constant is the IPv6 address @samp{::1}, the loopback address. See
above for a description of what this means. The macro
@code{IN6ADDR_LOOPBACK_INIT} is provided to allow you to initialize your
own variables to this value.
@end deftypevr
-@comment netinet/in.h
-@comment IPv6 basic API
@deftypevr Constant {struct in6_addr} in6addr_any
+@standards{IPv6 basic API, netinet/in.h}
This constant is the IPv6 address @samp{::}, the unspecified address. See
above for a description of what this means. The macro
@code{IN6ADDR_ANY_INIT} is provided to allow you to initialize your
local-address-within-network numbers in host byte order. @xref{Byte
Order}, for an explanation of network and host byte order.
-@comment arpa/inet.h
-@comment BSD
@deftypefun int inet_aton (const char *@var{name}, struct in_addr *@var{addr})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@assafe{}@acsafe{}}
+@c inet_aton @mtslocale
+@c isdigit dup @mtslocale
+@c strtoul dup @mtslocale
+@c isascii dup @mtslocale
+@c isspace dup @mtslocale
+@c htonl dup ok
This function converts the IPv4 Internet host address @var{name}
from the standard numbers-and-dots notation into binary data and stores
it in the @code{struct in_addr} that @var{addr} points to.
@code{inet_aton} returns nonzero if the address is valid, zero if not.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun {uint32_t} inet_addr (const char *@var{name})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@assafe{}@acsafe{}}
+@c inet_addr @mtslocale
+@c inet_aton dup @mtslocale
This function converts the IPv4 Internet host address @var{name} from the
standard numbers-and-dots notation into binary data. If the input is
not valid, @code{inet_addr} returns @code{INADDR_NONE}. This is an
-obsolete interface to @code{inet_aton}, described immediately above. It
+obsolete interface to @code{inet_aton}, described immediately above. It
is obsolete because @code{INADDR_NONE} is a valid address
(255.255.255.255), and @code{inet_aton} provides a cleaner way to
indicate error return.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun {uint32_t} inet_network (const char *@var{name})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@assafe{}@acsafe{}}
+@c inet_network @mtslocale
+@c isdigit dup @mtslocale
+@c isxdigit dup @mtslocale
+@c tolower dup @mtslocale
+@c isspace dup @mtslocale
This function extracts the network number from the address @var{name},
-given in the standard numbers-and-dots notation. The returned address is
-in host order. If the input is not valid, @code{inet_network} returns
+given in the standard numbers-and-dots notation. The returned address is
+in host order. If the input is not valid, @code{inet_network} returns
@code{-1}.
The function works only with traditional IPv4 class A, B and C network
anymore.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun {char *} inet_ntoa (struct in_addr @var{addr})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@asunsafe{@asurace{}}@acsafe{}}
+@c inet_ntoa @mtslocale @asurace
+@c writes to a thread-local static buffer
+@c snprintf @mtslocale [no @ascuheap or @acsmem]
This function converts the IPv4 Internet host address @var{addr} to a
string in the standard numbers-and-dots notation. The return value is
a pointer into a statically-allocated buffer. Subsequent calls will
overwrite the same buffer, so you should copy the string if you need
to save it.
-In multi-threaded programs each thread has an own statically-allocated
+In multi-threaded programs each thread has its own statically-allocated
buffer. But still subsequent calls of @code{inet_ntoa} in the same
thread will overwrite the result of the last call.
addresses.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun {struct in_addr} inet_makeaddr (uint32_t @var{net}, uint32_t @var{local})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c inet_makeaddr ok
+@c htonl dup ok
This function makes an IPv4 Internet host address by combining the network
number @var{net} with the local-address-within-network number
@var{local}.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun uint32_t inet_lnaof (struct in_addr @var{addr})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c inet_lnaof ok
+@c ntohl dup ok
+@c IN_CLASSA ok
+@c IN_CLASSB ok
This function returns the local-address-within-network part of the
Internet host address @var{addr}.
anymore.
@end deftypefun
-@comment arpa/inet.h
-@comment BSD
@deftypefun uint32_t inet_netof (struct in_addr @var{addr})
+@standards{BSD, arpa/inet.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c inet_netof ok
+@c ntohl dup ok
+@c IN_CLASSA ok
+@c IN_CLASSB ok
This function returns the network number part of the Internet host
address @var{addr}.
anymore.
@end deftypefun
-@comment arpa/inet.h
-@comment IPv6 basic API
@deftypefun int inet_pton (int @var{af}, const char *@var{cp}, void *@var{buf})
+@standards{IPv6 basic API, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@assafe{}@acsafe{}}
+@c inet_pton @mtslocale
+@c inet_pton4 ok
+@c memcpy dup ok
+@c inet_pton6 @mtslocale
+@c memset dup ok
+@c tolower dup @mtslocale
+@c strchr dup ok
+@c inet_pton4 dup ok
+@c memcpy dup ok
This function converts an Internet address (either IPv4 or IPv6) from
presentation (textual) to network (binary) format. @var{af} should be
either @code{AF_INET} or @code{AF_INET6}, as appropriate for the type of
responsibility to make sure the buffer is large enough.
@end deftypefun
-@comment arpa/inet.h
-@comment IPv6 basic API
-@deftypefun {const char *} inet_ntop (int @var{af}, const void *@var{cp}, char *@var{buf}, size_t @var{len})
+@deftypefun {const char *} inet_ntop (int @var{af}, const void *@var{cp}, char *@var{buf}, socklen_t @var{len})
+@standards{IPv6 basic API, arpa/inet.h}
+@safety{@prelim{}@mtsafe{@mtslocale{}}@assafe{}@acsafe{}}
+@c inet_ntop @mtslocale
+@c inet_ntop4 @mtslocale
+@c sprintf dup @mtslocale [no @ascuheap or @acsmem]
+@c strcpy dup ok
+@c inet_ntop6 @mtslocale
+@c memset dup ok
+@c inet_ntop4 dup @mtslocale
+@c sprintf dup @mtslocale [no @ascuheap or @acsmem]
+@c strcpy dup ok
This function converts an Internet address (either IPv4 or IPv6) from
network (binary) to presentation (textual) form. @var{af} should be
either @code{AF_INET} or @code{AF_INET6}, as appropriate. @var{cp} is a
in @file{netdb.h}. They are BSD features, defined unconditionally if
you include @file{netdb.h}.
-@comment netdb.h
-@comment BSD
@deftp {Data Type} {struct hostent}
+@standards{BSD, netdb.h}
This data type is used to represent an entry in the hosts database. It
has the following members:
need to save it across calls. You can also use @code{getaddrinfo} and
@code{getnameinfo} to obtain this information.
-@comment netdb.h
-@comment BSD
@deftypefun {struct hostent *} gethostbyname (const char *@var{name})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostbyname} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyname @mtasurace:hostbyname @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c nss_hostname_digits_dots @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_maybe_init(!preinit) @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_iclose @acsuheap @acsmem @acsfd
+@c close_not_cancel_no_status dup @acsfd
+@c free dup @acsuheap @acsmem
+@c res_vinit @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_randomid ok
+@c getpid dup ok
+@c getenv dup @mtsenv
+@c strncpy dup ok
+@c fopen dup @ascuheap @asulock @acsmem @acsfd @aculock
+@c fsetlocking dup ok [no concurrent uses]
+@c fgets_unlocked dup ok [no concurrent uses]
+@c MATCH ok
+@c strncmp dup ok
+@c strpbrk dup ok
+@c strchr dup ok
+@c inet_aton dup @mtslocale
+@c htons dup
+@c inet_pton dup @mtslocale
+@c malloc dup @ascuheap @acsmem
+@c IN6_IS_ADDR_LINKLOCAL ok
+@c htonl dup ok
+@c IN6_IS_ADDR_MC_LINKLOCAL ok
+@c if_nametoindex dup @asulock @aculock @acsfd
+@c strtoul dup @mtslocale
+@c ISSORTMASK ok
+@c strchr dup ok
+@c isascii dup @mtslocale
+@c isspace dup @mtslocale
+@c net_mask ok
+@c ntohl dup ok
+@c IN_CLASSA dup ok
+@c htonl dup ok
+@c IN_CLASSB dup ok
+@c res_setoptions @mtslocale
+@c strncmp dup ok
+@c atoi dup @mtslocale
+@c fclose dup @ascuheap @asulock @aculock @acsmem @acsfd
+@c inet_makeaddr dup ok
+@c gethostname dup ok
+@c strcpy dup ok
+@c rawmemchr dup ok
+@c res_ninit @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_vinit dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c isdigit dup @mtslocale
+@c isxdigit dup @mtslocale
+@c strlen dup ok
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c memset dup ok
+@c inet_aton dup @mtslocale
+@c inet_pton dup @mtslocale
+@c strcpy dup ok
+@c memcpy dup ok
+@c strchr dup ok
+@c gethostbyname_r dup @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c set_h_errno ok
The @code{gethostbyname} function returns information about the host
named @var{name}. If the lookup fails, it returns a null pointer.
@end deftypefun
-@comment netdb.h
-@comment IPv6 Basic API
@deftypefun {struct hostent *} gethostbyname2 (const char *@var{name}, int @var{af})
+@standards{IPv6 Basic API, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostbyname2} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyname2 @mtasurace:hostbyname2 @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c nss_hostname_digits_dots dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c gethostbyname2_r dup @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c set_h_errno dup ok
The @code{gethostbyname2} function is like @code{gethostbyname}, but
allows the caller to specify the desired address family (e.g.@:
@code{AF_INET} or @code{AF_INET6}) of the result.
@end deftypefun
-@comment netdb.h
-@comment BSD
-@deftypefun {struct hostent *} gethostbyaddr (const char *@var{addr}, size_t @var{length}, int @var{format})
+@deftypefun {struct hostent *} gethostbyaddr (const void *@var{addr}, socklen_t @var{length}, int @var{format})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostbyaddr} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyaddr @mtasurace:hostbyaddr @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c gethostbyaddr_r dup @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c set_h_errno dup ok
The @code{gethostbyaddr} function returns information about the host
with Internet address @var{addr}. The parameter @var{addr} is not
really a pointer to char - it can be a pointer to an IPv4 or an IPv6
-address. The @var{length} argument is the size (in bytes) of the address
+address. The @var{length} argument is the size (in bytes) of the address
at @var{addr}. @var{format} specifies the address format; for an IPv4
Internet address, specify a value of @code{AF_INET}; for an IPv6
Internet address, use @code{AF_INET6}.
Here are the error codes that you may find in @code{h_errno}:
-@table @code
-@comment netdb.h
-@comment BSD
+@vtable @code
@item HOST_NOT_FOUND
-@vindex HOST_NOT_FOUND
+@standards{BSD, netdb.h}
No such host is known in the database.
-@comment netdb.h
-@comment BSD
@item TRY_AGAIN
-@vindex TRY_AGAIN
+@standards{BSD, netdb.h}
This condition happens when the name server could not be contacted. If
you try again later, you may succeed then.
-@comment netdb.h
-@comment BSD
@item NO_RECOVERY
-@vindex NO_RECOVERY
+@standards{BSD, netdb.h}
A non-recoverable error occurred.
-@comment netdb.h
-@comment BSD
@item NO_ADDRESS
-@vindex NO_ADDRESS
+@standards{BSD, netdb.h}
The host database contains an entry for the name, but it doesn't have an
associated Internet address.
-@end table
+@end vtable
-The lookup functions above all have one in common: they are not
+The lookup functions above all have one thing in common: they are not
reentrant and therefore unusable in multi-threaded applications.
Therefore provides @theglibc{} a new set of functions which can be
used in this context.
-@comment netdb.h
-@comment GNU
@deftypefun int gethostbyname_r (const char *restrict @var{name}, struct hostent *restrict @var{result_buf}, char *restrict @var{buf}, size_t @var{buflen}, struct hostent **restrict @var{result}, int *restrict @var{h_errnop})
+@standards{GNU, netdb.h}
+@safety{@prelim{}@mtsafe{@mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyname_r @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c nss_hostname_digits_dots dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c nscd_gethostbyname_r @mtsenv @ascuheap @acsfd @acsmem
+@c nscd_gethst_r @mtsenv @ascuheap @acsfd @acsmem
+@c getenv dup @mtsenv
+@c nscd_get_map_ref dup @ascuheap @acsfd @acsmem
+@c nscd_cache_search dup ok
+@c memcpy dup ok
+@c nscd_open_socket dup @acsfd
+@c readvall dup ok
+@c readall dup ok
+@c close_not_cancel_no_status dup @acsfd
+@c nscd_drop_map_ref dup @ascuheap @acsmem
+@c nscd_unmap dup @ascuheap @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_hconf_init @mtsenv @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem [no @asuinit:reshconf @acuinit:reshconf, conditionally called]
+@c res_hconf.c:do_init @mtsenv @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c memset dup ok
+@c getenv dup @mtsenv
+@c fopen dup @ascuheap @asulock @acsmem @acsfd @aculock
+@c fsetlocking dup ok [no concurrent uses]
+@c fgets_unlocked dup ok [no concurrent uses]
+@c strchrnul dup ok
+@c res_hconf.c:parse_line @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c skip_ws dup @mtslocale
+@c skip_string dup @mtslocale
+@c strncasecmp dup @mtslocale
+@c strlen dup ok
+@c asprintf dup @mtslocale @ascuheap @acsmem
+@c fxprintf dup @asucorrupt @aculock @acucorrupt
+@c free dup @ascuheap @acsmem
+@c arg_trimdomain_list dup @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c arg_spoof dup @mtslocale
+@c arg_bool dup @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c isspace dup @mtslocale
+@c fclose dup @ascuheap @asulock @acsmem @acsfd @aculock
+@c arg_spoof @mtslocale
+@c skip_string @mtslocale
+@c isspace dup @mtslocale
+@c strncasecmp dup @mtslocale
+@c arg_bool @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c strncasecmp dup @mtslocale
+@c asprintf dup @mtslocale @ascuheap @acsmem
+@c fxprintf dup @asucorrupt @aculock @acucorrupt
+@c free dup @ascuheap @acsmem
+@c arg_trimdomain_list @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem
+@c skip_string dup @mtslocale
+@c asprintf dup @mtslocale @ascuheap @acsmem
+@c fxprintf dup @asucorrupt @aculock @acucorrupt
+@c free dup @ascuheap @acsmem
+@c strndup dup @ascuheap @acsmem
+@c skip_ws @mtslocale
+@c isspace dup @mtslocale
+@c nss_hosts_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_database_lookup dup @mtslocale @ascuheap @asulock @acucorrupt @acsmem @acsfd @aculock
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_gethostbyname_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_hconf_reorder_addrs @asulock @ascuheap @aculock @acsmem @acsfd
+@c socket dup @acsfd
+@c libc_lock_lock dup @asulock @aculock
+@c ifreq @ascuheap @acsmem
+@c malloc dup @ascuheap @acsmem
+@c if_nextreq dup ok
+@c ioctl dup ok
+@c realloc dup @ascuheap @acsmem
+@c if_freereq dup @acsmem
+@c libc_lock_unlock dup @aculock
+@c close dup @acsfd
The @code{gethostbyname_r} function returns information about the host
named @var{name}. The caller must pass a pointer to an object of type
@code{struct hostent} in the @var{result_buf} parameter. In addition
-the function may need extra buffer space and the caller must pass an
+the function may need extra buffer space and the caller must pass a
pointer and the size of the buffer in the @var{buf} and @var{buflen}
parameters.
A pointer to the buffer, in which the result is stored, is available in
-@code{*@var{result}} after the function call successfully returned. If
-an error occurs or if no entry is found, the pointer @code{*@var{result}}
-is a null pointer. Success is signalled by a zero return value. If the
-function failed the return value is an error number. In addition to the
-errors defined for @code{gethostbyname} it can also be @code{ERANGE}.
-In this case the call should be repeated with a larger buffer.
-Additional error information is not stored in the global variable
-@code{h_errno} but instead in the object pointed to by @var{h_errnop}.
+@code{*@var{result}} after the function call successfully returned. The
+buffer passed as the @var{buf} parameter can be freed only once the caller
+has finished with the result hostent struct, or has copied it including all
+the other memory that it points to. If an error occurs or if no entry is
+found, the pointer @code{*@var{result}} is a null pointer. Success is
+signalled by a zero return value. If the function failed the return value
+is an error number. In addition to the errors defined for
+@code{gethostbyname} it can also be @code{ERANGE}. In this case the call
+should be repeated with a larger buffer. Additional error information is
+not stored in the global variable @code{h_errno} but instead in the object
+pointed to by @var{h_errnop}.
Here's a small example:
@smallexample
struct hostent *
gethostname (char *host)
@{
- struct hostent hostbuf, *hp;
+ struct hostent *hostbuf, *hp;
size_t hstbuflen;
char *tmphstbuf;
int res;
int herr;
+ hostbuf = malloc (sizeof (struct hostent));
hstbuflen = 1024;
- /* Allocate buffer, remember to free it to avoid memory leakage. */
tmphstbuf = malloc (hstbuflen);
- while ((res = gethostbyname_r (host, &hostbuf, tmphstbuf, hstbuflen,
+ while ((res = gethostbyname_r (host, hostbuf, tmphstbuf, hstbuflen,
&hp, &herr)) == ERANGE)
@{
/* Enlarge the buffer. */
hstbuflen *= 2;
tmphstbuf = realloc (tmphstbuf, hstbuflen);
@}
+
+ free (tmphstbuf);
/* Check for errors. */
if (res || hp == NULL)
return NULL;
@end smallexample
@end deftypefun
-@comment netdb.h
-@comment GNU
@deftypefun int gethostbyname2_r (const char *@var{name}, int @var{af}, struct hostent *restrict @var{result_buf}, char *restrict @var{buf}, size_t @var{buflen}, struct hostent **restrict @var{result}, int *restrict @var{h_errnop})
+@standards{GNU, netdb.h}
+@safety{@prelim{}@mtsafe{@mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyname2_r @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c nss_hostname_digits_dots dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c nscd_gethostbyname2_r @mtsenv @ascuheap @asulock @aculock @acsfd @acsmem
+@c nscd_gethst_r dup @mtsenv @ascuheap @asulock @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_hconf_init dup @mtsenv @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem [no @asuinit:reshconf @acuinit:reshconf, conditionally called]
+@c nss_hosts_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_gethostbyname2_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_hconf_reorder_addrs dup @asulock @ascuheap @aculock @acsmem @acsfd
The @code{gethostbyname2_r} function is like @code{gethostbyname_r}, but
allows the caller to specify the desired address family (e.g.@:
@code{AF_INET} or @code{AF_INET6}) for the result.
@end deftypefun
-@comment netdb.h
-@comment GNU
-@deftypefun int gethostbyaddr_r (const char *@var{addr}, size_t @var{length}, int @var{format}, struct hostent *restrict @var{result_buf}, char *restrict @var{buf}, size_t @var{buflen}, struct hostent **restrict @var{result}, int *restrict @var{h_errnop})
+@deftypefun int gethostbyaddr_r (const void *@var{addr}, socklen_t @var{length}, int @var{format}, struct hostent *restrict @var{result_buf}, char *restrict @var{buf}, size_t @var{buflen}, struct hostent **restrict @var{result}, int *restrict @var{h_errnop})
+@standards{GNU, netdb.h}
+@safety{@prelim{}@mtsafe{@mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @asucorrupt{} @ascuheap{} @asulock{}}@acunsafe{@aculock{} @acucorrupt{} @acsmem{} @acsfd{}}}
+@c gethostbyaddr_r @mtsenv @mtslocale @ascudlopen @ascuplugin @asucorrupt @ascuheap @asulock @aculock @acucorrupt @acsmem @acsfd
+@c memcmp dup ok
+@c nscd_gethostbyaddr_r @mtsenv @ascuheap @asulock @aculock @acsfd @acsmem
+@c nscd_gethst_r dup @mtsenv @ascuheap @asulock @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c res_hconf_init dup @mtsenv @mtslocale @asucorrupt @ascuheap @aculock @acucorrupt @acsmem [no @asuinit:reshconf @acuinit:reshconf, conditionally called]
+@c nss_hosts_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_gethostbyaddr_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_hconf_reorder_addrs dup @asulock @ascuheap @aculock @acsmem @acsfd
+@c res_hconf_trim_domains @mtslocale
+@c res_hconf_trim_domain @mtslocale
+@c strlen dup ok
+@c strcasecmp dup @mtslocale
The @code{gethostbyaddr_r} function returns information about the host
with Internet address @var{addr}. The parameter @var{addr} is not
really a pointer to char - it can be a pointer to an IPv4 or an IPv6
-address. The @var{length} argument is the size (in bytes) of the address
+address. The @var{length} argument is the size (in bytes) of the address
at @var{addr}. @var{format} specifies the address format; for an IPv4
Internet address, specify a value of @code{AF_INET}; for an IPv6
Internet address, use @code{AF_INET6}.
@code{sethostent}, @code{gethostent} and @code{endhostent}. Be careful
when using these functions because they are not reentrant.
-@comment netdb.h
-@comment BSD
@deftypefun void sethostent (int @var{stayopen})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostent} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c sethostent @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_setent(nss_hosts_lookup2) @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c set_h_errno dup ok
+@c setup(nss_hosts_lookup2) @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *lookup_fct = nss_hosts_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:hostent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock dup @aculock
This function opens the hosts database to begin scanning it. You can
then call @code{gethostent} to read the entries.
reopening the database for each call.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct hostent *} gethostent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostent} @mtasurace{:hostentbuf} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c gethostent @mtasurace:hostent @mtasurace:hostentbuf @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent(gethostent_r) @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c malloc dup @ascuheap @acsmem
+@c *func = gethostent_r dup @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c gethostent_r @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent_r(nss_hosts_lookup2) @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c setup(nss_hosts_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:hostent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *sfct.f @mtasurace:hostent @ascuplugin
+@c libc_lock_unlock dup @aculock
+
This function returns the next entry in the hosts database. It
returns a null pointer if there are no more entries.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun void endhostent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:hostent} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c endhostent @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock @asulock @aculock
+@c nss_endent(nss_hosts_lookup2) @mtasurace:hostent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c setup(nss_passwd_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:hostent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock @aculock
This function closes the hosts database.
@end deftypefun
@pindex netinet/in.h
These macros are defined in the header file @file{netinet/in.h}.
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro int IPPORT_RESERVED
+@standards{BSD, netinet/in.h}
Port numbers less than @code{IPPORT_RESERVED} are reserved for
superuser use.
@end deftypevr
-@comment netinet/in.h
-@comment BSD
@deftypevr Macro int IPPORT_USERRESERVED
+@standards{BSD, netinet/in.h}
Port numbers greater than or equal to @code{IPPORT_USERRESERVED} are
reserved for explicit use; they will never be allocated automatically.
@end deftypevr
the services database.
@pindex netdb.h
-@comment netdb.h
-@comment BSD
@deftp {Data Type} {struct servent}
+@standards{BSD, netdb.h}
This data type holds information about entries from the services database.
It has the following members:
is returned in a statically-allocated structure; you must copy the
information if you need to save it across calls.
-@comment netdb.h
-@comment BSD
@deftypefun {struct servent *} getservbyname (const char *@var{name}, const char *@var{proto})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:servbyname} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getservbyname =~ getpwuid @mtasurace:servbyname @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getservbyname_r dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getservbyname_r =~ getpwuid_r @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nscd_getservbyname_r @ascuheap @acsfd @acsmem
+@c nscd_getserv_r @ascuheap @acsfd @acsmem
+@c nscd_get_map_ref dup @ascuheap @acsfd @acsmem
+@c strlen dup ok
+@c malloc dup @ascuheap @acsmem
+@c mempcpy dup ok
+@c memcpy dup ok
+@c nscd_cache_search dup ok
+@c nscd_open_socket dup @acsfd
+@c readvall dup ok
+@c readall dup ok
+@c close_not_cancel_no_status dup @acsfd
+@c nscd_drop_map_ref dup @ascuheap @acsmem
+@c nscd_unmap dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c nss_services_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getservbyname_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getservbyname} function returns information about the
service named @var{name} using protocol @var{proto}. If it can't find
such a service, it returns a null pointer.
use it to determine which port they should listen on (@pxref{Listening}).
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct servent *} getservbyport (int @var{port}, const char *@var{proto})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:servbyport} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getservbyport =~ getservbyname @mtasurace:servbyport @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getservbyport_r dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getservbyport_r =~ getservbyname_r @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nscd_getservbyport_r @ascuheap @acsfd @acsmem
+@c nscd_getserv_r dup @ascuheap @acsfd @acsmem
+@c nss_services_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getservbyport_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getservbyport} function returns information about the
service at port @var{port} using protocol @var{proto}. If it can't
find such a service, it returns a null pointer.
@code{getservent} and @code{endservent}. Be careful when using these
functions because they are not reentrant.
-@comment netdb.h
-@comment BSD
@deftypefun void setservent (int @var{stayopen})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:servent} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c setservent @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_setent(nss_services_lookup2) @mtasurace:servenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_services_lookup2) @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *lookup_fct = nss_services_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:servent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock dup @aculock
This function opens the services database to begin scanning it.
If the @var{stayopen} argument is nonzero, this sets a flag so that
reopening the database for each call.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct servent *} getservent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:servent} @mtasurace{:serventbuf} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getservent @mtasurace:servent @mtasurace:serventbuf @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent(getservent_r) @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c malloc dup @ascuheap @acsmem
+@c *func = getservent_r dup @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getservent_r @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent_r(nss_services_lookup2) @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_services_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:servent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *sfct.f @mtasurace:servent @ascuplugin
+@c libc_lock_unlock dup @aculock
This function returns the next entry in the services database. If
there are no more entries, it returns a null pointer.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun void endservent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:servent} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c endservent @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock @asulock @aculock
+@c nss_endent(nss_services_lookup2) @mtasurace:servent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_services_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:servent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock @aculock
This function closes the services database.
@end deftypefun
@file{netinet/in.h}.
@pindex netinet/in.h
-@comment netinet/in.h
-@comment BSD
@deftypefun {uint16_t} htons (uint16_t @var{hostshort})
+@standards{BSD, netinet/in.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c htons ok
+@c bswap_16 ok
+@c bswap_constant_16 ok
+
This function converts the @code{uint16_t} integer @var{hostshort} from
host byte order to network byte order.
@end deftypefun
-@comment netinet/in.h
-@comment BSD
@deftypefun {uint16_t} ntohs (uint16_t @var{netshort})
+@standards{BSD, netinet/in.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c Alias to htons.
This function converts the @code{uint16_t} integer @var{netshort} from
network byte order to host byte order.
@end deftypefun
-@comment netinet/in.h
-@comment BSD
@deftypefun {uint32_t} htonl (uint32_t @var{hostlong})
+@standards{BSD, netinet/in.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c htonl ok
+@c bswap_32 dup ok
This function converts the @code{uint32_t} integer @var{hostlong} from
host byte order to network byte order.
This is used for IPv4 Internet addresses.
@end deftypefun
-@comment netinet/in.h
-@comment BSD
@deftypefun {uint32_t} ntohl (uint32_t @var{netlong})
+@standards{BSD, netinet/in.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+@c Alias to htonl.
This function converts the @code{uint32_t} integer @var{netlong} from
network byte order to host byte order.
protocols database. These are declared in @file{netdb.h}.
@pindex netdb.h
-@comment netdb.h
-@comment BSD
@deftp {Data Type} {struct protoent}
+@standards{BSD, netdb.h}
This data type is used to represent entries in the network protocols
database. It has the following members:
returned in a statically-allocated structure; you must copy the
information if you need to save it across calls.
-@comment netdb.h
-@comment BSD
@deftypefun {struct protoent *} getprotobyname (const char *@var{name})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:protobyname} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getprotobyname =~ getpwuid @mtasurace:protobyname @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getprotobyname_r dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getprotobyname_r =~ getpwuid_r @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c no nscd support
+@c nss_protocols_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getprotobyname_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getprotobyname} function returns information about the
network protocol named @var{name}. If there is no such protocol, it
returns a null pointer.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct protoent *} getprotobynumber (int @var{protocol})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:protobynumber} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getprotobynumber =~ getpwuid @mtasurace:protobynumber @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getprotobynumber_r dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getprotobynumber_r =~ getpwuid_r @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c no nscd support
+@c nss_protocols_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getprotobynumber_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getprotobynumber} function returns information about the
network protocol with number @var{protocol}. If there is no such
protocol, it returns a null pointer.
using @code{setprotoent}, @code{getprotoent} and @code{endprotoent}.
Be careful when using these functions because they are not reentrant.
-@comment netdb.h
-@comment BSD
@deftypefun void setprotoent (int @var{stayopen})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:protoent} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c setprotoent @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_setent(nss_protocols_lookup2) @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_protocols_lookup2) @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *lookup_fct = nss_protocols_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:protoent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock dup @aculock
This function opens the protocols database to begin scanning it.
If the @var{stayopen} argument is nonzero, this sets a flag so that
reopening the database for each call.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct protoent *} getprotoent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:protoent} @mtasurace{:protoentbuf} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getprotoent @mtasurace:protoent @mtasurace:protoentbuf @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent(getprotoent_r) @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c malloc dup @ascuheap @acsmem
+@c *func = getprotoent_r dup @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getprotoent_r @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent_r(nss_protocols_lookup2) @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_protocols_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:servent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *sfct.f @mtasurace:protoent @ascuplugin
+@c libc_lock_unlock dup @aculock
This function returns the next entry in the protocols database. It
returns a null pointer if there are no more entries.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun void endprotoent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:protoent} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c endprotoent @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock @asulock @aculock
+@c nss_endent(nss_protocols_lookup2) @mtasurace:protoent @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c setup(nss_protocols_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:protoent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock @aculock
This function closes the protocols database.
@end deftypefun
declared in @file{sys/socket.h}.
@pindex sys/socket.h
-@comment sys/socket.h
-@comment BSD
@deftypefun int socket (int @var{namespace}, int @var{style}, int @var{protocol})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{@acsfd{}}}
This function creates a socket and specifies communication style
@var{style}, which should be one of the socket styles listed in
@ref{Communication Styles}. The @var{namespace} argument specifies
connection by calling @code{shutdown}, which is declared in
@file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftypefun int shutdown (int @var{socket}, int @var{how})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{shutdown} function shuts down the connection of socket
@var{socket}. The argument @var{how} specifies what action to
perform:
pipe has one input-only end and one output-only end (@pxref{Pipes and
FIFOs}).
-@comment sys/socket.h
-@comment BSD
@deftypefun int socketpair (int @var{namespace}, int @var{style}, int @var{protocol}, int @var{filedes}@t{[2]})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{@acsfd{}}}
This function creates a socket pair, returning the file descriptors in
@code{@var{filedes}[0]} and @code{@var{filedes}[1]}. The socket pair
is a full-duplex communications channel, so that both reading and writing
program must do with the @code{connect} function, which is declared in
@file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftypefun int connect (int @var{socket}, struct sockaddr *@var{addr}, socklen_t @var{length})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{connect} function initiates a connection from the socket
with file descriptor @var{socket} to the socket whose address is
specified by the @var{addr} and @var{length} arguments. (This socket
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
In the local namespace, the ordinary file protection bits control who has
access to connect to the socket.
-@comment sys/socket.h
-@comment BSD
@deftypefun int listen (int @var{socket}, int @var{n})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{@acsfd{}}}
The @code{listen} function enables the socket @var{socket} to accept
connections, thus making it a server socket.
system may also impose its own internal limit on the length of this
queue.
-@comment sys/socket.h
-@comment BSD
@deftypefun int accept (int @var{socket}, struct sockaddr *@var{addr}, socklen_t *@var{length_ptr})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{@acsfd{}}}
This function is used to accept a connection request on the server
socket @var{socket}.
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
@node Who is Connected
@subsection Who is Connected to Me?
-@comment sys/socket.h
-@comment BSD
@deftypefun int getpeername (int @var{socket}, struct sockaddr *@var{addr}, socklen_t *@var{length-ptr})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{getpeername} function returns the address of the socket that
@var{socket} is connected to; it stores the address in the memory space
specified by @var{addr} and @var{length-ptr}. It stores the length of
you get a @code{SIGPIPE} signal for any use of @code{send} or
@code{write} (@pxref{Miscellaneous Signals}).
-@comment sys/socket.h
-@comment BSD
-@deftypefun int send (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags})
+@deftypefun ssize_t send (int @var{socket}, const void *@var{buffer}, size_t @var{size}, int @var{flags})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{send} function is like @code{write}, but with the additional
flags @var{flags}. The possible values of @var{flags} are described
in @ref{Socket Data Options}.
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
just as well use @code{read} instead of @code{recv}; see @ref{I/O
Primitives}.
-@comment sys/socket.h
-@comment BSD
-@deftypefun int recv (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags})
+@deftypefun ssize_t recv (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{recv} function is like @code{read}, but with the additional
flags @var{flags}. The possible values of @var{flags} are described
in @ref{Socket Data Options}.
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
to obtain a value for this argument. All are defined in the header
file @file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int MSG_OOB
+@standards{BSD, sys/socket.h}
Send or receive out-of-band data. @xref{Out-of-Band Data}.
@end deftypevr
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int MSG_PEEK
+@standards{BSD, sys/socket.h}
Look at the data but don't remove it from the input queue. This is
only meaningful with input functions such as @code{recv}, not with
@code{send}.
@end deftypevr
-@comment sys/socket.h
-@comment BSD
@deftypevr Macro int MSG_DONTROUTE
+@standards{BSD, sys/socket.h}
Don't include routing information in the message. This is only
meaningful with output operations, and is usually only of interest for
diagnostic or routing programs. We don't try to explain it here.
@code{AF_UNSPEC} in the @var{addr} argument. @xref{Connecting}, for
more information about the @code{connect} function.
-@comment sys/socket.h
-@comment BSD
-@deftypefun int sendto (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags}, struct sockaddr *@var{addr}, socklen_t @var{length})
+@deftypefun ssize_t sendto (int @var{socket}, const void *@var{buffer}, size_t @var{size}, int @var{flags}, struct sockaddr *@var{addr}, socklen_t @var{length})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{sendto} function transmits the data in the @var{buffer}
through the socket @var{socket} to the destination address specified
by the @var{addr} and @var{length} arguments. The @var{size} argument
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
also tells you where it was sent from. This function is declared in
@file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
-@deftypefun int recvfrom (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags}, struct sockaddr *@var{addr}, socklen_t *@var{length-ptr})
+@deftypefun ssize_t recvfrom (int @var{socket}, void *@var{buffer}, size_t @var{size}, int @var{flags}, struct sockaddr *@var{addr}, socklen_t *@var{length-ptr})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{recvfrom} function reads one packet from the socket
@var{socket} into the buffer @var{buffer}. The @var{size} argument
specifies the maximum number of bytes to be read.
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
-allocated resources (like memory, files descriptors, semaphores or
+allocated resources (like memory, file descriptors, semaphores or
whatever) are freed even if the thread is canceled.
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
@c supporting or that we support them.
@c !!! they can do more; it is hairy
-@comment sys/socket.h
-@comment BSD
@deftp {Data Type} {struct msghdr}
+@standards{BSD, sys/socket.h}
@end deftp
-@comment sys/socket.h
-@comment BSD
-@deftypefun int sendmsg (int @var{socket}, const struct msghdr *@var{message}, int @var{flags})
+@deftypefun ssize_t sendmsg (int @var{socket}, const struct msghdr *@var{message}, int @var{flags})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
@c @xref{pthread_cleanup_push}, for a method how to do this.
@end deftypefun
-@comment sys/socket.h
-@comment BSD
-@deftypefun int recvmsg (int @var{socket}, struct msghdr *@var{message}, int @var{flags})
+@deftypefun ssize_t recvmsg (int @var{socket}, struct msghdr *@var{message}, int @var{flags})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
This function is defined as a cancellation point in multi-threaded
programs, so one has to be prepared for this and make sure that
@var{user} is the user name that the server should run as. @code{inetd} runs
as root, so it can set the user ID of its children arbitrarily. It's
best to avoid using @samp{root} for @var{user} if you can; but some
-servers, such as Telnet and FTP, read a username and password
+servers, such as Telnet and FTP, read a username and passphrase
themselves. These servers need to be root initially so they can log
in as commanded by the data coming over the network.
Here are the functions for examining and modifying socket options.
They are declared in @file{sys/socket.h}.
-@comment sys/socket.h
-@comment BSD
@deftypefun int getsockopt (int @var{socket}, int @var{level}, int @var{optname}, void *@var{optval}, socklen_t *@var{optlen-ptr})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{getsockopt} function gets information about the value of
option @var{optname} at level @var{level} for socket @var{socket}.
-The option value is stored in a buffer that @var{optval} points to.
+The option value is stored in the buffer that @var{optval} points to.
Before the call, you should supply in @code{*@var{optlen-ptr}} the
size of this buffer; on return, it contains the number of bytes of
information actually stored in the buffer.
@end table
@end deftypefun
-@comment sys/socket.h
-@comment BSD
-@deftypefun int setsockopt (int @var{socket}, int @var{level}, int @var{optname}, void *@var{optval}, socklen_t @var{optlen})
+@deftypefun int setsockopt (int @var{socket}, int @var{level}, int @var{optname}, const void *@var{optval}, socklen_t @var{optlen})
+@standards{BSD, sys/socket.h}
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
This function is used to set the socket option @var{optname} at level
@var{level} for socket @var{socket}. The value of the option is passed
in the buffer @var{optval} of size @var{optlen}.
@node Socket-Level Options
@subsection Socket-Level Options
-@comment sys/socket.h
-@comment BSD
@deftypevr Constant int SOL_SOCKET
+@standards{BSD, sys/socket.h}
Use this constant as the @var{level} argument to @code{getsockopt} or
@code{setsockopt} to manipulate the socket-level options described in
this section.
Here is a table of socket-level option names; all are defined in the
header file @file{sys/socket.h}.
-@table @code
-@comment sys/socket.h
-@comment BSD
+@vtable @code
@item SO_DEBUG
+@standards{BSD, sys/socket.h}
@c Extra blank line here makes the table look better.
This option toggles recording of debugging information in the underlying
@c !!! should say how this is used
@c OK, anyone who knows, please explain.
-@comment sys/socket.h
-@comment BSD
@item SO_REUSEADDR
+@standards{BSD, sys/socket.h}
This option controls whether @code{bind} (@pxref{Setting Address})
should permit reuse of local addresses for this socket. If you enable
this option, you can actually have two sockets with the same Internet
The value has type @code{int}; a nonzero value means ``yes''.
-@comment sys/socket.h
-@comment BSD
@item SO_KEEPALIVE
+@standards{BSD, sys/socket.h}
This option controls whether the underlying protocol should
periodically transmit messages on a connected socket. If the peer
fails to respond to these messages, the connection is considered
broken. The value has type @code{int}; a nonzero value means
``yes''.
-@comment sys/socket.h
-@comment BSD
@item SO_DONTROUTE
+@standards{BSD, sys/socket.h}
This option controls whether outgoing messages bypass the normal
message routing facilities. If set, messages are sent directly to the
network interface instead. The value has type @code{int}; a nonzero
value means ``yes''.
-@comment sys/socket.h
-@comment BSD
@item SO_LINGER
+@standards{BSD, sys/socket.h}
This option specifies what should happen when the socket of a type
that promises reliable delivery still has untransmitted messages when
it is closed; see @ref{Closing a Socket}. The value has type
@code{struct linger}.
-@comment sys/socket.h
-@comment BSD
@deftp {Data Type} {struct linger}
+@standards{BSD, sys/socket.h}
This structure type has the following members:
@table @code
@end table
@end deftp
-@comment sys/socket.h
-@comment BSD
@item SO_BROADCAST
+@standards{BSD, sys/socket.h}
This option controls whether datagrams may be broadcast from the socket.
The value has type @code{int}; a nonzero value means ``yes''.
-@comment sys/socket.h
-@comment BSD
@item SO_OOBINLINE
+@standards{BSD, sys/socket.h}
If this option is set, out-of-band data received on the socket is
placed in the normal input queue. This permits it to be read using
@code{read} or @code{recv} without specifying the @code{MSG_OOB}
flag. @xref{Out-of-Band Data}. The value has type @code{int}; a
nonzero value means ``yes''.
-@comment sys/socket.h
-@comment BSD
@item SO_SNDBUF
+@standards{BSD, sys/socket.h}
This option gets or sets the size of the output buffer. The value is a
@code{size_t}, which is the size in bytes.
-@comment sys/socket.h
-@comment BSD
@item SO_RCVBUF
+@standards{BSD, sys/socket.h}
This option gets or sets the size of the input buffer. The value is a
@code{size_t}, which is the size in bytes.
-@comment sys/socket.h
-@comment GNU
@item SO_STYLE
-@comment sys/socket.h
-@comment BSD
@itemx SO_TYPE
+@standards{GNU, sys/socket.h}
+@standardsx{SO_TYPE, BSD, sys/socket.h}
This option can be used with @code{getsockopt} only. It is used to
get the socket's communication style. @code{SO_TYPE} is the
historical name, and @code{SO_STYLE} is the preferred name in GNU.
The value has type @code{int} and its value designates a communication
style; see @ref{Communication Styles}.
-@comment sys/socket.h
-@comment BSD
@item SO_ERROR
+@standards{BSD, sys/socket.h}
@c Extra blank line here makes the table look better.
This option can be used with @code{getsockopt} only. It is used to reset
the error status of the socket. The value is an @code{int}, which represents
the previous error status.
@c !!! what is "socket error status"? this is never defined.
-@end table
+@end vtable
@node Networks Database
@section Networks Database
provide functions to access this database, which are declared in
@file{netdb.h}.
-@comment netdb.h
-@comment BSD
@deftp {Data Type} {struct netent}
+@standards{BSD, netdb.h}
This data type is used to represent information about entries in the
networks database. It has the following members:
information is returned in a statically-allocated structure; you must
copy the information if you need to save it.
-@comment netdb.h
-@comment BSD
@deftypefun {struct netent *} getnetbyname (const char *@var{name})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:netbyname} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getnetbyname =~ getpwuid @mtasurace:netbyname @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getnetbyname_r dup @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getnetbyname_r =~ getpwuid_r @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c no nscd support
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c nss_networks_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getnetbyname_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getnetbyname} function returns information about the network
named @var{name}. It returns a null pointer if there is no such
network.
@end deftypefun
-@comment netdb.h
-@comment BSD
-@deftypefun {struct netent *} getnetbyaddr (unsigned long int @var{net}, int @var{type})
+@deftypefun {struct netent *} getnetbyaddr (uint32_t @var{net}, int @var{type})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:netbyaddr} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getnetbyaddr =~ getpwuid @mtasurace:netbyaddr @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c malloc dup @ascuheap @acsmem
+@c getnetbyaddr_r dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getnetbyaddr_r =~ getpwuid_r @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c no nscd support
+@c nss_networks_lookup2 =~ nss_passwd_lookup2 @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.l -> _nss_*_getnetbyaddr_r @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
The @code{getnetbyaddr} function returns information about the network
of type @var{type} with number @var{net}. You should specify a value of
@code{AF_INET} for the @var{type} argument for Internet networks.
@code{getnetent} and @code{endnetent}. Be careful when using these
functions because they are not reentrant.
-@comment netdb.h
-@comment BSD
@deftypefun void setnetent (int @var{stayopen})
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:netent} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c setnetent @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_setent(nss_networks_lookup2) @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c setup(nss_networks_lookup2) @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *lookup_fct = nss_networks_lookup2 dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:netent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock dup @aculock
This function opens and rewinds the networks database.
If the @var{stayopen} argument is nonzero, this sets a flag so that
reopening the database for each call.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun {struct netent *} getnetent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:netent} @mtasurace{:netentbuf} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c getnetent @mtasurace:netent @mtasurace:netentbuf @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent(getnetent_r) @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c malloc dup @ascuheap @acsmem
+@c *func = getnetent_r dup @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c realloc dup @ascuheap @acsmem
+@c free dup @ascuheap @acsmem
+@c libc_lock_unlock dup @aculock
+@c
+@c getnetent_r @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock dup @asulock @aculock
+@c nss_getent_r(nss_networks_lookup2) @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c setup(nss_networks_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:servent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c nss_lookup dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *sfct.f @mtasurace:netent @ascuplugin
+@c libc_lock_unlock dup @aculock
This function returns the next entry in the networks database. It
returns a null pointer if there are no more entries.
@end deftypefun
-@comment netdb.h
-@comment BSD
@deftypefun void endnetent (void)
+@standards{BSD, netdb.h}
+@safety{@prelim{}@mtunsafe{@mtasurace{:netent} @mtsenv{} @mtslocale{}}@asunsafe{@ascudlopen{} @ascuplugin{} @ascuheap{} @asulock{}}@acunsafe{@acucorrupt{} @aculock{} @acsfd{} @acsmem{}}}
+@c endnetent @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_lock @asulock @aculock
+@c nss_endent(nss_networks_lookup2) @mtasurace:netent @mtsenv @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c res_maybe_init(!preinit) dup @mtsenv @mtslocale @ascuheap @asulock @aculock @acsmem @acsfd
+@c setup(nss_networks_lookup2) dup @mtslocale @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c *fct.f @mtasurace:netent @ascuplugin
+@c nss_next2 dup @ascudlopen @ascuplugin @ascuheap @asulock @acucorrupt @aculock @acsfd @acsmem
+@c libc_lock_unlock @aculock
This function closes the networks database.
@end deftypefun
projects / thirdparty / glibc.git / blobdiff