bn_sub_words
borrow = bn_sub_words(rp, ap, bp, min);
c0 = bn_sub_words(rp, tp, np, num);
c0 = bn_sub_words(rp, tp, np, num);
l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);
BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
carry -= bn_sub_words(rp, tp, m->d, mtop);
carry -= bn_sub_words(rp, ap, np, nl);
c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));
c = bn_sub_words(r, a, b, cl);
c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_384_TOP);
adjust = bn_sub_words;
carry = (int)bn_sub_words(r_d, r_d, _nist_p_384[carry - 1],
adjust = carry ? bn_sub_words : bn_add_words;
res = bn_sub_words(t_d, r_d, _nist_p_521,
carry = (int)bn_sub_words(r_d, r_d, _nist_p_192[carry - 1],
res = (bn_sub_words(c_d, r_d, _nist_p_192[0], BN_NIST_192_TOP) && carry)
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_224_TOP);
adjust = bn_sub_words;
carry = (int)bn_sub_words(r_d, r_d, _nist_p_224[carry - 1],
adjust = carry ? bn_sub_words : bn_add_words;
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP);
carry -= (int)bn_sub_words(r_d, r_d, t_d, BN_NIST_256_TOP);
adjust = bn_sub_words;
carry = (int)bn_sub_words(r_d, r_d, _nist_p_256[carry - 1],
adjust = carry ? bn_sub_words : bn_add_words;
bn_sub_words(t, a, &(a[n]), n);
bn_sub_words(t, &(a[n]), a, n);
c1 -= (int)(bn_sub_words(&(t[n2]), t, &(t[n2]), n2));
carry -= bn_sub_words(tmp, r, m, num);