extern int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
extern int timeval_add_time(struct timeval *result, int sec, int usec);
/* gettimeofday() timeval in 64 bit ms */
extern int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
extern int timeval_add_time(struct timeval *result, int sec, int usec);
/* gettimeofday() timeval in 64 bit ms */