Type Alias GtkPrintSettingsFunc

pub type GtkPrintSettingsFunc = Option<unsafe extern "C" fn(*const c_char, *const c_char, gpointer)>;

Aliased Type

pub enum GtkPrintSettingsFunc {
    None,
    Some(unsafe extern "C" fn(*const i8, *const i8, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const i8, *const i8, *mut c_void))

Some value of type T.