#define _BSD_SOURCE
#define _GNU_SOURCE
#ifndef __sun__
# define _XOPEN_SOURCE
# define _XOPEN_SOURCE_EXTENDED 1
#else
# define _XPG6
# define __EXTENSIONS__
#endif
#include <sys/time.h>
#include <stdlib.h>
#include <stddef.h>
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#elif !defined alloca
# ifdef __GNUC__
# define alloca __builtin_alloca
# elif defined _MSC_VER
# include <malloc.h>
# define alloca _alloca
# elif !defined HAVE_ALLOCA
# ifdef __cplusplus
extern