#define WANT_IRS_NIS#undef WANT_IRS_PW#undef WANT_IRS_GR#define SIG_FN void#define SYSV#define _POSIX_SOURCE#if defined(HAS_PTHREADS) && defined(_REENTRANT)#define DO_PTHREADS#endif#include <sys/types.h>#include <limits.h>	/* _POSIX_PATH_MAX */#include <sys/times.h>#include <sys/time.h>struct timespec {	long	tv_sec;	long	tv_nsec;};