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PUTGRENT

Linux Programmer's Manual (3)
2003-09-09
 

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 *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 nonzero value on error.  

CONFORMING TO

This function is a GNU extension.  

SEE ALSO

fgetgrent(3), getgrent(3), group(5)  

COLOPHON

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Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO
COLOPHON

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