1#ifndef __timeval_defined 
2#define __timeval_defined 1 
3 
4#include <bits/types.h> 
5 
6/* A time value that is accurate to the nearest 
7 microsecond but also has a range of years. */ 
8struct timeval 
9{ 
10 __time_t tv_sec; /* Seconds. */ 
11 __suseconds_t tv_usec; /* Microseconds. */ 
12}; 
13#endif 
14