Function bssl_sys::RSA_add_pkcs1_prefix

pub unsafe extern "C" fn RSA_add_pkcs1_prefix(
    out_msg: *mut *mut u8,
    out_msg_len: *mut usize,
    is_alloced: *mut c_int,
    hash_nid: c_int,
    digest: *const u8,
    digest_len: usize
) -> c_int