include/sys/time.h

#ifndef _SYS_TIME_H
#define _SYS_TIME_H

#include <time.h>

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef _TIMEVAL_DEFINED
#define _TIMEVAL_DEFINED
struct timeval {
	long tv_sec;
	long tv_usec;
};
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
#define timercmp(tvp, uvp, cmp) \
	(((tvp)->tv_sec != (uvp)->tv_sec) ? \
	((tvp)->tv_sec cmp (uvp)->tv_sec) : \
	((tvp)->tv_usec cmp (uvp)->tv_usec))
#define timerclear(tvp)	 (tvp)->tv_sec = (tvp)->tv_usec = 0
#endif /* _TIMEVAL_DEFINED */

/* Provided for compatibility with code that assumes that
   the presence of gettimeofday function implies a definition
   of struct timezone. */
struct timezone {
	int tz_minuteswest;		/* of Greenwich */
	int tz_dsttime;			/* type of dst correction to apply */
};

/*
   Implementation as per:
   The Open Group Base Specifications, Issue 6
   IEEE Std 1003.1, 2004 Edition

   The timezone pointer arg is ignored.  Errors are ignored.
*/
int __cdecl __MINGW_NOTHROW gettimeofday(struct timeval *__restrict__, struct timezone *__restrict__);
int __cdecl __MINGW_NOTHROW settimeofday(const struct timeval *__restrict__, const struct timezone *__restrict__);

#ifdef	__cplusplus
}
#endif

#endif