Function sdl2_sys::XCheckIfEvent

pub unsafe extern "C" fn XCheckIfEvent(
    arg1: *mut Display,
    arg2: *mut XEvent,
    arg3: Option<unsafe extern "C" fn(arg1: *mut Display, arg2: *mut XEvent, arg3: XPointer) -> c_int>,
    arg4: XPointer,
) -> c_int