Type Alias gtk4_sys::GtkPrintSettingsFunc

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

Aliased Type

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.