stdalign: port to stricter ISO C11 ISO C11 says that _Alignof's operand must be a parenthesized type. Problem reported by Eli Zaretskii in <http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>. * doc/posix-headers/stdalign.texi (stdalign.h): Document this. * m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).

#ifndef IDCACHE_H
# define IDCACHE_H 1

# include <sys/types.h>

extern char *getuser (uid_t uid);
extern char *getgroup (gid_t gid);
extern uid_t *getuidbyname (const char *user);
extern gid_t *getgidbyname (const char *group);

#endif