_timeval.h

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#ifndef _SYS__TIMEVAL_H
#define _SYS__TIMEVAL_H
 
#include <sys/_types.h>
 
#ifndef _SUSECONDS_T_DECLARED
typedef __suseconds_t   suseconds_t;
#define _SUSECONDS_T_DECLARED
#endif
 
#ifndef _TIME_T_DECLARED
typedef __time_t        time_t;
#define _TIME_T_DECLARED
#endif
 
// Structure returned by gettimeofday(2) system call, and used in other calls.
struct timeval {
        time_t          tv_sec;         /* seconds */
        suseconds_t     tv_usec;        /* and microseconds */
};
 
#endif /* END _SYS__TIMEVAL_H */