Type Alias FpMatchCb 

pub type FpMatchCb = Option<unsafe extern "C" fn(device: *mut FpDevice, match_: *mut FpPrint, print: *mut FpPrint, user_data: gpointer, error: *mut GError)>;

Aliased Type

pub enum FpMatchCb {
    None,
    Some(unsafe extern "C" fn(*mut _FpDevice, *mut _FpPrint, *mut _FpPrint, *mut c_void, *mut _GError)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _FpDevice, *mut _FpPrint, *mut _FpPrint, *mut c_void, *mut _GError))

Some value of type T.