pub type DRMCALLBACK = Option<unsafe extern "system" fn(param0: DRM_STATUS_MSG, param1: HRESULT, param2: *mut c_void, param3: *mut c_void) -> HRESULT>;

Aliased Type§

enum DRMCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: DRM_STATUS_MSG, _: HRESULT, _: *mut c_void, _: *mut c_void) -> HRESULT),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: DRM_STATUS_MSG, _: HRESULT, _: *mut c_void, _: *mut c_void) -> HRESULT)

Some value of type T.