unsigned_time_t   603 time.c             guess_lo = (time_t)~((unsigned_time_t)~(time_t)0 >> 1);
unsigned_time_t   608 time.c         	       (time_t)((unsigned_time_t)~(time_t)0 >> 1) :
unsigned_time_t  1425 time.c             unsigned_time_t sec_off;
unsigned_time_t  1435 time.c             sec_off = (unsigned_time_t)f;
unsigned_time_t  1511 time.c                     f = -(double)(unsigned_time_t)(tobj2->ts.tv_sec - tobj->ts.tv_sec);
unsigned_time_t  1513 time.c                     f = (double)(unsigned_time_t)(tobj->ts.tv_sec - tobj2->ts.tv_sec);