Function __gmpn_gcdext

pub unsafe extern "C" fn __gmpn_gcdext(
    arg1: mp_ptr,
    arg2: mp_ptr,
    arg3: *mut mp_size_t,
    arg4: mp_ptr,
    arg5: mp_size_t,
    arg6: mp_ptr,
    arg7: mp_size_t,
) -> mp_size_t