Function libc::bsearch

pub unsafe extern "C" fn bsearch(
    key: *const c_void, 
    base: *const c_void, 
    num: size_t, 
    size: size_t, 
    compar: Option<unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> c_int>
) -> *mut c_void