Function gdk4_sys::gdk_clipboard_read_async

pub unsafe extern "C" fn gdk_clipboard_read_async(
    clipboard: *mut GdkClipboard, 
    mime_types: *mut *const c_char, 
    io_priority: c_int, 
    cancellable: *mut GCancellable, 
    callback: GAsyncReadyCallback, 
    user_data: gpointer
)