ffi

use std::os::raw::c_int;

pub const LOCK_EX: c_int = 2;
pub const LOCK_NB: c_int = 4;
pub const LOCK_UN: c_int = 8;

extern "C" {
    fn abs(input: i32) -> i32;
}

pub fn safe_abs(input: i32) -> i32 {
    unsafe { abs(input) }