table of contents
putgrent(3) | Library Functions Manual | putgrent(3) |
NAME¶
putgrent - write a group database entry to a file
LIBRARY¶
Standard C library (libc, -lc)
SYNOPSIS¶
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <grp.h>
int putgrent(const struct group *restrict grp, FILE *restrict 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 |
STANDARDS¶
GNU.
SEE ALSO¶
2024-05-02 | Linux man-pages 6.8 |