* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
* @(#)time.h 7.1 (Berkeley) 6/4/86
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
long tv_sec
; /* seconds */
long tv_usec
; /* and microseconds */
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 */
* 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.
struct timeval it_interval
; /* timer interval */
struct timeval it_value
; /* current value */