Function sdl2_sys::XSetAfterFunction

pub unsafe extern "C" fn XSetAfterFunction(
    arg1: *mut Display, 
    arg2: Option<unsafe extern "C" fn(arg1: *mut Display) -> c_int>
) -> Option<unsafe extern "C" fn(arg1: *mut Display, arg2: Option<unsafe extern "C" fn(arg1: *mut Display) -> c_int>) -> c_int>