/* Subtract b from a. */
struct timeval
timeval_subtract(struct timeval a, struct timeval b) {
struct timeval val;
val.tv_usec = a.tv_usec - b.tv_usec;
val.tv_sec = a.tv_sec - b.tv_sec;
return timeval_adjust (val);
}
struct pal_timeval
timeval_subtract (struct pal_timeval a, struct pal_timeval b)
{
struct pal_timeval ret;
ret.tv_usec = a.tv_usec - b.tv_usec;
ret.tv_sec = a.tv_sec - b.tv_sec;
return timeval_adjust (ret);
}