#ifndef _Z_UTIL_H
#define _Z_UTIL_H
#ifndef _Z_UTIL_H
#define _Z_UTIL_H
#ifdef STDC
# include <stddef.h>
# include <string.h>
#ifdef STDC
# include <stddef.h>
# include <string.h>
#else
# include <errno.h>
#endif
#else
# include <errno.h>
#endif
#ifndef local
# define local static
#ifndef local
# define local static