Function vlfeat_sys::bsearch

pub unsafe extern "C" fn bsearch(
    arg1: *const c_void, 
    arg2: *const c_void, 
    arg3: usize, 
    arg4: usize, 
    arg5: Option<unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> c_int>
) -> *mut c_void