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Text File | 1989-06-27 | 2.2 KB | 86 lines | [TEXT/????] |
- /* @(#)time.h 1.3 86/10/07 SMI; from UCB 6.4 85/06/24 */
-
- /*
- * Copyright (c) 1982 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- */
-
- #ifndef _TIME_
- #define _TIME_
-
- /*
- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
- */
- struct timeval {
- long tv_sec; /* seconds */
- long tv_usec; /* and microseconds */
- };
-
- struct timezone {
- int tz_minuteswest; /* minutes west of Greenwich */
- int tz_dsttime; /* type of dst correction */
- };
- #define DST_NONE 0 /* not on dst */
- #define DST_USA 1 /* USA style dst */
- #define DST_AUST 2 /* Australian style dst */
- #define DST_WET 3 /* Western European dst */
- #define DST_MET 4 /* Middle European dst */
- #define DST_EET 5 /* Eastern European dst */
- #define DST_CAN 6 /* Canada */
- #define DST_GB 7 /* Great Britain and Eire */
- #define DST_RUM 8 /* Rumania */
- #define DST_TUR 9 /* Turkey */
- #define DST_AUSTALT 10 /* Australian style with shift in 1986 */
-
- /*
- * Operations on timevals.
- *
- * NB: timercmp does not work for >= or <=.
- */
- #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
- #define timercmp(tvp, uvp, cmp) \
- ((tvp)->tv_sec cmp (uvp)->tv_sec || \
- (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
- #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
-
- /*
- * Names of the interval timers, and structure
- * defining a timer setting.
- */
- #define ITIMER_REAL 0
- #define ITIMER_VIRTUAL 1
- #define ITIMER_PROF 2
-
- struct itimerval {
- struct timeval it_interval; /* timer interval */
- struct timeval it_value; /* current value */
- };
-
- /*
- * #include <time.h> conflict with MPW file of the same name
- */
- /*
- * Structure returned by gmtime and localtime calls (see ctime(3)).
- */
- struct tm {
- int tm_sec;
- int tm_min;
- int tm_hour;
- int tm_mday;
- int tm_mon;
- int tm_year;
- int tm_wday;
- int tm_yday;
- int tm_isdst;
- char *tm_zone;
- long tm_gmtoff;
- };
-
- extern struct tm *gmtime(), *localtime();
- extern char *asctime(), *ctime();
- extern void tzset(), tzsetwall();
-
- #endif !__TIME_HEADER__
-