gmp_mpfr_sys::gmp
pub unsafe extern fn __gmpn_divrem(r1p: *mut mp_limb_t, sqn: mp_size_t, rs2p: *mut mp_limb_t, rs2n: mp_size_t, s3p: *const mp_limb_t, s3n: mp_size_t) -> mp_limb_t