projects / thirdparty / strongswan.git / blame
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| 2 | ||
| 3 | <HTML><HEAD><TITLE>Manpage of IPSEC_PORTOF</TITLE> | |
| 4 | </HEAD><BODY> | |
| 5 | <H1>IPSEC_PORTOF</H1> | |
| 6 | Section: C Library Functions (3)<BR>Updated: 8 Sept 2000<BR><A HREF="#index">Index</A> | |
| 7 | <A HREF="http://localhost/cgi-bin/man/man2html">Return to Main Contents</A><HR> | |
| 8 | ||
| 9 | ||
| 10 | <A NAME="lbAB"> </A> | |
| 11 | <H2>NAME</H2> | |
| 12 | ||
| 13 | ipsec portof - get port field of an ip_address | |
| 14 | <BR> | |
| 15 | ||
| 16 | ipsec setportof - set port field of an ip_address | |
| 17 | <BR> | |
| 18 | ||
| 19 | ipsec sockaddrof - get pointer to internal sockaddr of an ip_address | |
| 20 | <BR> | |
| 21 | ||
| 22 | ipsec sockaddrlenof - get length of internal sockaddr of an ip_address | |
| 23 | <A NAME="lbAC"> </A> | |
| 24 | <H2>SYNOPSIS</H2> | |
| 25 | ||
| 26 | <B>#include <<A HREF="file:/usr/include/freeswan.h">freeswan.h</A>></B> | |
| 27 | ||
| 28 | <P> | |
| 29 | <B>int portof(const ip_address *src);</B> | |
| 30 | ||
| 31 | <BR> | |
| 32 | ||
| 33 | <B>void setportof(int port, ip_address *dst);</B> | |
| 34 | ||
| 35 | <BR> | |
| 36 | ||
| 37 | <B>struct sockaddr *sockaddrof(ip_address *src);</B> | |
| 38 | ||
| 39 | <BR> | |
| 40 | ||
| 41 | <B>size_t sockaddrlenof(const ip_address *src);</B> | |
| 42 | ||
| 43 | <A NAME="lbAD"> </A> | |
| 44 | <H2>DESCRIPTION</H2> | |
| 45 | ||
| 46 | The | |
| 47 | <B><<A HREF="file:/usr/include/freeswan.h">freeswan.h</A>></B> | |
| 48 | ||
| 49 | internal type | |
| 50 | <I>ip_address</I> | |
| 51 | ||
| 52 | contains one of the | |
| 53 | <I>sockaddr</I> | |
| 54 | ||
| 55 | types internally. | |
| 56 | <I>Reliance on this feature is discouraged</I>, | |
| 57 | but it may occasionally be necessary. | |
| 58 | These functions provide low-level tools for this purpose. | |
| 59 | <P> | |
| 60 | ||
| 61 | <I>Portof</I> | |
| 62 | ||
| 63 | and | |
| 64 | <I>setportof</I> | |
| 65 | ||
| 66 | respectively read and write the port-number field of the internal | |
| 67 | <I>sockaddr</I>. | |
| 68 | ||
| 69 | The values are in network byte order. | |
| 70 | <P> | |
| 71 | ||
| 72 | <I>Sockaddrof</I> | |
| 73 | ||
| 74 | returns a pointer to the internal | |
| 75 | <I>sockaddr</I>, | |
| 76 | ||
| 77 | for passing to other functions. | |
| 78 | <P> | |
| 79 | ||
| 80 | <I>Sockaddrlenof</I> | |
| 81 | ||
| 82 | reports the size of the internal | |
| 83 | <I>sockaddr</I>, | |
| 84 | ||
| 85 | for use in storage allocation. | |
| 86 | <A NAME="lbAE"> </A> | |
| 87 | <H2>SEE ALSO</H2> | |
| 88 | ||
| 89 | <A HREF="inet.3.html">inet</A>(3), <A HREF="ipsec_initaddr.3.html">ipsec_initaddr</A>(3) | |
| 90 | <A NAME="lbAF"> </A> | |
| 91 | <H2>DIAGNOSTICS</H2> | |
| 92 | ||
| 93 | <I>Portof</I> | |
| 94 | ||
| 95 | returns | |
| 96 | <B>-1</B>, | |
| 97 | ||
| 98 | <I>sockaddrof</I> | |
| 99 | ||
| 100 | returns | |
| 101 | <B>NULL</B>, | |
| 102 | ||
| 103 | and | |
| 104 | <I>sockaddrlenof</I> | |
| 105 | ||
| 106 | returns | |
| 107 | <B>0</B> | |
| 108 | ||
| 109 | if an unknown address family is found within the | |
| 110 | <I>ip_address</I>. | |
| 111 | ||
| 112 | <A NAME="lbAG"> </A> | |
| 113 | <H2>HISTORY</H2> | |
| 114 | ||
| 115 | Written for the FreeS/WAN project by Henry Spencer. | |
| 116 | <A NAME="lbAH"> </A> | |
| 117 | <H2>BUGS</H2> | |
| 118 | ||
| 119 | These functions all depend on low-level details of the | |
| 120 | <I>ip_address</I> | |
| 121 | ||
| 122 | type, which are in principle subject to change. | |
| 123 | Avoid using them unless really necessary. | |
| 124 | <P> | |
| 125 | ||
| 126 | <HR> | |
| 127 | <A NAME="index"> </A><H2>Index</H2> | |
| 128 | <DL> | |
| 129 | <DT><A HREF="#lbAB">NAME</A><DD> | |
| 130 | <DT><A HREF="#lbAC">SYNOPSIS</A><DD> | |
| 131 | <DT><A HREF="#lbAD">DESCRIPTION</A><DD> | |
| 132 | <DT><A HREF="#lbAE">SEE ALSO</A><DD> | |
| 133 | <DT><A HREF="#lbAF">DIAGNOSTICS</A><DD> | |
| 134 | <DT><A HREF="#lbAG">HISTORY</A><DD> | |
| 135 | <DT><A HREF="#lbAH">BUGS</A><DD> | |
| 136 | </DL> | |
| 137 | <HR> | |
| 138 | This document was created by | |
| 139 | <A HREF="http://localhost/cgi-bin/man/man2html">man2html</A>, | |
| 140 | using the manual pages.<BR> | |
| 141 | Time: 21:40:18 GMT, November 11, 2003 | |
| 142 | </BODY> | |
| 143 | </HTML> |