Function gmp_mpfr_sys::mpfr::mpfr_grandom

pub unsafe extern fn mpfr_grandom(rop1: *mut __mpfr_struct,
                                  rop2: *mut __mpfr_struct,
                                  state: *mut gmp_randstate_t,
                                  rnd: mpfr_rnd_t)
                                  -> c_int