Function antic::mpfr_can_round

pub unsafe extern "C" fn mpfr_can_round(
    arg1: mpfr_srcptr, 
    arg2: mpfr_exp_t, 
    arg3: mpfr_rnd_t, 
    arg4: mpfr_rnd_t, 
    arg5: mpfr_prec_t
) -> c_int