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putgrent (3)
PUTGRENT(3) Linux Programmer's Manual PUTGRENT(3)
NAME
putgrent - write a group database entry to a file
SYNOPSIS
#define _GNU_SOURCE
#include <grp.h>
int putgrent(const struct group *grp, FILE *fp);
DESCRIPTION
The putgrent() function is the counterpart for fgetgrent(3). The func-
tion writes the content of the provided struct group into the file
pointed to by fp. 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 non-zero value on error.
CONFORMING TO
This function is a GNU extension.
SEE ALSO
fgetgrent(3), getgrent(3), group(5), feature_test_macros(7)
GNU 2003-09-09 PUTGRENT(3)
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