#ifndef USERSPEC_H
# define USERSPEC_H 1
-# include <stddef.h>
+# include <sys/types.h>
const char *
parse_user_spec (const char *spec_arg, uid_t *uid, gid_t *gid,
- char **username_arg, char **groupname_arg);
+ char **username_arg, char **groupname_arg);
#endif