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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 content 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.

Conforming to

This function is a GNU extension.

See Also

fgetgrent(3) , getgrent(3) , group(5)

Colophon

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