time.h

标准c库代码,可以应用于各个系统提供了大量的基本函数

/* This is file TIME.H */

/* Define the structures used by the gettimeofday() syscall. */

/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained.  This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

#ifndef _SYS_TIME_H_
#ifdef __cplusplus
extern "C" {
#endif
#define _SYS_TIME_H_

struct timeval {
  long tv_sec;
  long tv_usec;
};

struct timezone {
  int tz_minuteswest;
  int tz_dsttime;
};

#ifdef __cplusplus
}
#endif
#endif