175 int BN_abs_is_word(const BIGNUM *bn, BN_ULONG w) {  in BN_abs_is_word()  argument
176   switch (bn->top) {  in BN_abs_is_word()
178       return bn->d[0] == w;  in BN_abs_is_word()
186 int BN_is_zero(const BIGNUM *bn) {  in BN_is_zero()  argument
187   return bn->top == 0;  in BN_is_zero()
190 int BN_is_one(const BIGNUM *bn) {  in BN_is_one()  argument
191   return bn->neg == 0 && BN_abs_is_word(bn, 1);  in BN_is_one()
194 int BN_is_word(const BIGNUM *bn, BN_ULONG w) {  in BN_is_word()  argument
195   return BN_abs_is_word(bn, w) && (w == 0 || bn->neg == 0);  in BN_is_word()
198 int BN_is_odd(const BIGNUM *bn) {  in BN_is_odd()  argument
199   return bn->top > 0 && (bn->d[0] & 1) == 1;  in BN_is_odd()