BDIGIT_MSB       1179 bignum.c                       else if (BDIGIT_MSB(de[-1])) {
BDIGIT_MSB       1266 bignum.c                       if (num_bdigits != 0 && BDIGIT_MSB(bdigits[num_bdigits-1]))
BDIGIT_MSB       2604 bignum.c           assert(BDIGIT_MSB(yds[yn-1]));
BDIGIT_MSB       3671 bignum.c       	if (sign < 0 && BDIGIT_MSB(fixbuf[1]) == 0 &&