Function gmp_mpfr_sys::gmp::__gmpn_submul_1

pub unsafe extern fn __gmpn_submul_1(rp: *mut mp_limb_t,
                                     s1p: *const mp_limb_t,
                                     n: mp_size_t,
                                     s2limb: mp_limb_t)
                                     -> mp_limb_t