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.\" Copyright 2003 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH PUTGRENT 3 2003-09-09 "GNU" "group Database Access"
.SH NAME
putgrent \- write a group database entry to a file
.SH SYNOPSIS
.B #define _GNU_SOURCE
.br
.B #include <grp.h>
.sp
.BI "int putgrent(const struct group *" grp ", FILE *" fp );
.sp
.SH DESCRIPTION
The
.B putgrent()
function is the the counterpart for
.BR fgetgrent() .
The function writes the content of the provided struct group into the
file pointed to by
.IR fp .
The list of group members must be NULL terminated or NULL initialized.
.sp
The struct group is defined as follows:
.sp
.RS
.nf
struct group {
char *gr_name; /* group name */
char *gr_passwd; /* group password */
gid_t gr_gid; /* group id */
char **gr_mem; /* group members */
};
.fi
.RE
.SH "RETURN VALUE"
The function returns zero on success, and a non-zero value on error.
.SH "SEE ALSO"
.BR fgetgrent (3),
.BR getgrent (3),
.BR group (5)
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