[−][src]Function x11::xt::XtAddCallback
pub unsafe extern "C" fn XtAddCallback(
_4: Widget,
_3: *const c_char,
_2: Option<unsafe extern "C" fn(_: Widget, _: *mut c_void, _: *mut c_void)>,
_1: *mut c_void
)
pub unsafe extern "C" fn XtAddCallback(
_4: Widget,
_3: *const c_char,
_2: Option<unsafe extern "C" fn(_: Widget, _: *mut c_void, _: *mut c_void)>,
_1: *mut c_void
)