PUTGRENT(3) - man page online | library functions

Write a group database entry to a file.

PUTGRENT(3)                         Linux Programmer's Manual                         PUTGRENT(3)

NAME putgrent - write a group database entry to a file
SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <grp.h> int putgrent(const struct group *grp, FILE *stream);
DESCRIPTION The putgrent() function is the counterpart for fgetgrent(3). The function writes the con‐ tent of the provided struct group into the stream. The list of group members must be NULL-terminated or NULL-initialized. The struct group is defined as follows: struct group { char *gr_name; /* group name */ char *gr_passwd; /* group password */ gid_t gr_gid; /* group ID */ char **gr_mem; /* group members */ };
RETURN VALUE The function returns zero on success, and a nonzero value on error.
ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). ┌───────────┬───────────────┬─────────┐ │Interface │ Attribute │ Value │ ├───────────┼───────────────┼─────────┤ │putgrent() │ Thread safety │ MT-Safe │ └───────────┴───────────────┴─────────┘
CONFORMING TO This function is a GNU extension.
SEE ALSO fgetgrent(3), getgrent(3), group(5)
COLOPHON This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at
GNU 2015-07-23 PUTGRENT(3)
This manual Reference Other manuals
putgrent(3) referred by fgetgrent(3) | getgrent(3) | getgrent_r(3)
refer to attributes(7) | feature_test_macros(7) | fgetgrent(3) | getgrent(3) | group(5)