Function gmp_mpfr_sys::gmp::__gmpn_sec_add_1

pub unsafe extern fn __gmpn_sec_add_1(rp: *mut mp_limb_t,
                                      ap: *const mp_limb_t,
                                      n: mp_size_t,
                                      b: mp_limb_t,
                                      tp: *mut mp_limb_t)
                                      -> mp_limb_t