Type Alias Tk_OptionPrintProc 

pub type Tk_OptionPrintProc = Option<unsafe extern "C" fn(clientData: ClientData, tkwin: Tk_Window, widgRec: *mut c_char, offset: c_int, freeProcPtr: *mut Tcl_FreeProc) -> *const c_char>;

Aliased Type

pub enum Tk_OptionPrintProc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut Tk_Window_, *mut i8, i32, *mut Option<unsafe extern "C" fn(*mut i8)>) -> *const i8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut Tk_Window_, *mut i8, i32, *mut Option<unsafe extern "C" fn(*mut i8)>) -> *const i8)

Some value of type T.