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/*
* timeval.h
*
* Copyright (C) 2006, Octavio Alvarez Piza.
* License: GNU General Public License v2.
*
*/
/* timeval.h: This provides with some timeval functions if not provided
* by the system.
*/
#ifndef __TIMEVAL_H
#define __TIMEVAL_H
#ifndef _GNU_SOURCE
#include <sys/time.h>
void
timersub(struct timeval *a, struct timeval *b, struct timeval *res);
int
timerisset(struct timeval *tv);
void
timerclear(struct timeval *tv);
#define timercmp(a, b, CMP) \
(((a)->tv_sec == (b)->tv_sec) ? \
((a)->tv_usec CMP (b)->tv_usec) \
: ((a)->tv_sec CMP (b)->tv_sec))
#endif /* #ifndef _GNU_SOURCE */
#endif
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