Name
putgrent - write a group database entry to a fileLibrary
Standard C library ( libc ", " -lc )Synopsis
"#define(7)_GNU_SOURCE" " /* See feature_test_macros */" #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 thestream. 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 |
| T} | Thread safety | MT-Safe |