FILLSET2
t->t_hold.__sigbits[2] = FILLSET2 & ~CANTMASK2;
#define MASKSET2 (FILLSET2 & ~CANTMASK2)
((s1->__sigbits[2] ^ s2->__sigbits[2]) & FILLSET2)));
set.__sigbits[2] = FILLSET2 & ~CANTMASK2;
set.__sigbits[2]) & FILLSET2));
t->t_hold.__sigbits[2] = FILLSET2 & ~CANTMASK2;
~t->t_hold.__sigbits[2]) & FILLSET2));
{FILLSET0, FILLSET1, FILLSET2};
(ks)->__sigbits[2] = (us)->__sigbits[2] & (FILLSET2 & ~CANTMASK2))
bits2 &= (FILLSET2 & ~CANTMASK2);