pub type Tk_ItemDCharsProc = Option<unsafe extern "C" fn(canvas: Tk_Canvas, itemPtr: *mut Tk_Item, first: c_int, last: c_int)>;Aliased Type§
pub enum Tk_ItemDCharsProc {
None,
Some(unsafe extern "C" fn(*mut Tk_Canvas_, *mut Tk_Item, i32, i32)),
}