#ifndef _GRP_H #include <grp/grp.h> /* Now define the internal interfaces. */ extern int __getgrent_r (struct group *__resultbuf, char *buffer, size_t __buflen, struct group **__result); extern int __fgetgrent_r (FILE * __stream, struct group *__resultbuf, char *buffer, size_t __buflen, struct group **__result); /* Search for an entry with a matching group ID. */ extern int __getgrgid_r (__gid_t __gid, struct group *__resultbuf, char *__buffer, size_t __buflen, struct group **__result); /* Search for an entry with a matching group name. */ extern int __getgrnam_r (__const char *__name, struct group *__resultbuf, char *__buffer, size_t __buflen, struct group **__result); #endif