1 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
3 .\" Permission is granted to make and distribute verbatim copies of this
4 .\" manual provided the copyright notice and this permission notice are
5 .\" preserved on all copies.
7 .\" Permission is granted to copy and distribute modified versions of this
8 .\" manual under the conditions for verbatim copying, provided that the
9 .\" entire resulting derived work is distributed under the terms of a
10 .\" permission notice identical to this one.
12 .\" Since the Linux kernel and libraries are constantly changing, this
13 .\" manual page may be incorrect or out-of-date. The author(s) assume no
14 .\" responsibility for errors or omissions, or for damages resulting from
15 .\" the use of the information contained herein. The author(s) may not
16 .\" have taken the same level of care in the production of this manual,
17 .\" which is licensed free of charge, as they might when working
20 .\" Formatted or processed versions of this manual, if unaccompanied by
21 .\" the source, must acknowledge the copyright and authors of this work.
23 .\" References consulted:
24 .\" Linux libc source code
25 .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
27 .\" Modified Sat Jul 24 19:38:44 1993 by Rik Faith (faith@cs.unc.edu)
28 .TH FGETGRENT 3 2007-07-26 "GNU" "Linux Programmer's Manual"
30 fgetgrent \- get group file entry
34 .B #include <sys/types.h>
37 .BI "struct group *fgetgrent(FILE *" stream );
41 Feature Test Macro Requirements for glibc (see
42 .BR feature_test_macros (7)):
50 function returns a pointer to a structure containing
51 the group information from the file \fIstream\fP.
52 The first time it is called
53 it returns the first entry; thereafter, it returns successive entries.
54 The file \fIstream\fP must have the same format as \fI/etc/group\fP.
56 The \fIgroup\fP structure is defined in \fI<grp.h>\fP as follows:
61 char *gr_name; /* group name */
62 char *gr_passwd; /* group password */
63 gid_t gr_gid; /* group ID */
64 char **gr_mem; /* group members */
71 function returns the group information structure,
72 or NULL if there are no more entries or an error occurs.
76 Insufficient memory to allocate group information structure.