SRP_user_pwd_set0_sv
|| !SRP_user_pwd_set0_sv(ret, BN_dup(src->s), BN_dup(src->v))) {
if (SRP_user_pwd_set0_sv(user,
int SRP_user_pwd_set0_sv(SRP_user_pwd *user_pwd, BIGNUM *s, BIGNUM *v);