Function gmp_mpfr_sys::gmp::__gmpn_gcdext_1

pub unsafe extern fn __gmpn_gcdext_1(arg1: *mut mp_limb_signed_t,
                                     arg2: *mut mp_limb_signed_t,
                                     arg3: mp_limb_t,
                                     arg4: mp_limb_t)
                                     -> mp_limb_t