initialize_copy

static VALUE
time_init_copy(VALUE copy, VALUE time)
{
 struct time_object *tobj, *tcopy;
 if (!OBJ_INIT_COPY(copy, time)) return copy;
 GetTimeval(time, tobj);
 GetNewTimeval(copy, tcopy);
 MEMCPY(tcopy, tobj, struct time_object, 1);
 return copy;
}