Type Alias Tcl_DriverWatchProc 

pub type Tcl_DriverWatchProc = Option<unsafe extern "C" fn(instanceData: ClientData, mask: c_int)>;

Aliased Type

pub enum Tcl_DriverWatchProc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, i32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, i32))

Some value of type T.