pub unsafe extern "C" fn XtGetSelectionValueIncremental(
_6: Widget,
_5: c_ulong,
_4: c_ulong,
_3: Option<unsafe extern "C" fn(_: Widget, _: *mut c_void, _: *mut c_ulong, _: *mut c_ulong, _: *mut c_void, _: *mut c_ulong, _: *mut c_int)>,
_2: *mut c_void,
_1: c_ulong
)