putgrent(3) Library Functions Manual putgrent(3) putgrent - (libc -lc) #define _GNU_SOURCE /* feature_test_macros(7) */ #include int putgrent(const struct group *restrict grp, FILE *restrict stream); putgrent() fgetgrent(3). struct group stream. NULL NULL. struct group : struct group { char *gr_name; /* */ char *gr_passwd; /* */ gid_t gr_gid; /* */ char **gr_mem; /* */ }; . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |putgrent() | | MT-Safe | +------------+------------------------------------+--------------------+ GNU. fgetgrent(3), getgrent(3), group(5) 3 . . : . 6.18 8 2026 putgrent(3)