1#ifndef __itimerspec_defined 
2#define __itimerspec_defined 1 
3 
4#include <bits/types.h> 
5#include <bits/types/struct_timespec.h> 
6 
7/* POSIX.1b structure for timer start values and intervals. */ 
8struct itimerspec 
9 { 
10 struct timespec it_interval; 
11 struct timespec it_value; 
12 }; 
13 
14#endif 
15