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 function 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)

COLOPHON


This page is part of release 3.23 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

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