106   BN_ULONG *ap, *bp, *rp, carry, t1, t2;  in BN_uadd()  local
126   rp = r->d;  in BN_uadd()
128   carry = bn_add_words(rp, ap, bp, min);  in BN_uadd()
129   rp += min;  in BN_uadd()
138       *(rp++) = t2;  in BN_uadd()
146       *rp = 1;  in BN_uadd()
151   if (dif && rp != ap) {  in BN_uadd()
154       *(rp++) = *(ap++);  in BN_uadd()
263   register BN_ULONG t1, t2, *ap, *bp, *rp;  in BN_usub()  local
282   rp = r->d;  in BN_usub()
295     *(rp++) = t1 & BN_MASK2;  in BN_usub()
309       *(rp++) = t2;  in BN_usub()
316   if (dif > 0 && rp != ap) {  in BN_usub()
317     memcpy(rp, ap, sizeof(*rp) * dif);  in BN_usub()