pub unsafe extern "C" fn dhm_make_public(
    ctx: *mut dhm_context,
    x_size: c_int,
    output: *mut c_uchar,
    olen: size_t,
    f_rng: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut c_uchar, arg3: size_t) -> c_int>,
    p_rng: *mut c_void
) -> c_int