#ifndef _SYS_TIME_H #define _SYS_TIME_H 1 #include #include #include #if defined __USE_GNU || defined __USE_BSD typedef struct timezone *__timezone_ptr_t; #else typedef void *__timezone_ptr_t; #endif int getitimer(int which, struct itimerval *value) __THROW; int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue) __THROW; int gettimeofday(struct timeval *tv, struct timezone *tz) __THROW; int settimeofday(const struct timeval *tv , const struct timezone *tz) __THROW; extern int adjtime (const struct timeval *__delta, struct timeval *__olddelta) __THROW; #endif