gdk_sys

Function gdk_drag_find_window_for_screen

Source 
pub unsafe extern "C" fn gdk_drag_find_window_for_screen(
    context: *mut GdkDragContext,
    drag_window: *mut GdkWindow,
    screen: *mut GdkScreen,
    x_root: c_int,
    y_root: c_int,
    dest_window: *mut *mut GdkWindow,
    protocol: *mut GdkDragProtocol,
)