table of contents
| PUTGRENT(3) | Linux Programmer's Manual | PUTGRENT(3) | 
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.
ATTRIBUTES¶
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value | 
| putgrent () | Thread safety | MT-Safe | 
CONFORMING TO¶
This function is a GNU extension.
SEE ALSO¶
COLOPHON¶
This page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
| 2017-09-15 | GNU |