Function RSA_meth_set_bn_mod_exp

pub unsafe extern "C" fn RSA_meth_set_bn_mod_exp(
    rsa: *mut rsa_meth_st,
    bn_mod_exp: Option<unsafe extern "C" fn(_: *mut bignum_st, _: *const bignum_st, _: *const bignum_st, _: *const bignum_st, _: *mut bignum_ctx, _: *mut bn_mont_ctx_st) -> i32>,
) -> i32