1 #ifndef _SYS_TIME_H 2 #define _SYS_TIME_H 3 4 #include <time.h> 5 6 typedef unsigned long suseconds_t; 7 8 struct timeval { 9 time_t tv_sec; /* seconds */ 10 suseconds_t tv_usec; /* microseconds */ 11 }; 12 13 struct timezone { 14 int tz_minuteswest; /* minutes W of Greenwich */ 15 int tz_dsttime; /* type of dst correction */ 16 }; 17 18 extern int gettimeofday ( struct timeval *tv, struct timezone *tz ); 19 20 #endif /* _SYS_TIME_H */ 21