pub type Tk_ItemIndexProc = Option<unsafe extern "C" fn(interp: *mut Tcl_Interp, canvas: Tk_Canvas, itemPtr: *mut Tk_Item, indexString: *mut Tcl_Obj, indexPtr: *mut c_int) -> c_int>;Aliased Type§
pub enum Tk_ItemIndexProc {
None,
Some(unsafe extern "C" fn(*mut Tcl_Interp, *mut Tk_Canvas_, *mut Tk_Item, *mut Tcl_Obj, *mut i32) -> i32),
}