v4.0/src/TOOLS/BLD/INC/TIME.H

   1 /***
   2 *time.h - definitions/declarations for time routines
   3 *
   4 *   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
   5 *
   6 *Purpose:
   7 *   This file has declarations of time routines and defines
   8 *   the structure returned by the localtime and gmtime routines and
   9 *   used by asctime.
  10 *   [ANSI/System V]
  11 *
  12 *******************************************************************************/
  13
  14
  15 #ifndef NO_EXT_KEYS /* extensions enabled */
  16     #define _CDECL  cdecl
  17     #define _NEAR   near
  18 #else /* extensions not enabled */
  19     #define _CDECL
  20     #define _NEAR
  21 #endif /* NO_EXT_KEYS */
  22
  23
  24 /* define the implementation defined time type */
  25
  26 #ifndef _TIME_T_DEFINED
  27 typedef long time_t;            /* time value */
  28 #define _TIME_T_DEFINED         /* avoid multiple def's of time_t */
  29 #endif
  30
  31 #ifndef _CLOCK_T_DEFINED
  32 typedef long clock_t;
  33 #define _CLOCK_T_DEFINED
  34 #endif
  35
  36 #ifndef _TM_DEFINED
  37 struct tm {
  38     int tm_sec;         /* seconds after the minute - [0,59] */
  39     int tm_min;         /* minutes after the hour - [0,59] */
  40     int tm_hour;        /* hours since midnight - [0,23] */
  41     int tm_mday;        /* day of the month - [1,31] */
  42     int tm_mon;         /* months since January - [0,11] */
  43     int tm_year;        /* years since 1900 */
  44     int tm_wday;        /* days since Sunday - [0,6] */
  45     int tm_yday;        /* days since January 1 - [0,365] */
  46     int tm_isdst;       /* daylight savings time flag */
  47     };
  48 #define _TM_DEFINED
  49 #endif
  50
  51 #define CLK_TCK 1000
  52
  53
  54 /* extern declarations for the global variables used by the ctime family of
  55  * routines.
  56  */
  57
  58 extern int _NEAR _CDECL daylight;     /* non-zero if daylight savings time is used */
  59 extern long _NEAR _CDECL timezone;    /* difference in seconds between GMT and local time */
  60 extern char * _NEAR _CDECL tzname[2]; /* standard/daylight savings time zone names */
  61
  62
  63 /* function prototypes */
  64
  65 char * _CDECL asctime(const struct tm *);
  66 char * _CDECL ctime(const time_t *);
  67 clock_t _CDECL clock(void);
  68 double _CDECL difftime(time_t, time_t);
  69 struct tm * _CDECL gmtime(const time_t *);
  70 struct tm * _CDECL localtime(const time_t *);
  71 time_t _CDECL mktime(struct tm *);
  72 char * _CDECL _strdate(char *);
  73 char * _CDECL _strtime(char *);
  74 time_t _CDECL time(time_t *);
  75 void _CDECL tzset(void);