Type Definition winapi::shared::rpcdce::RPC_AUTH_KEY_RETRIEVAL_FN

type RPC_AUTH_KEY_RETRIEVAL_FN = Option<unsafe extern "system" fn(Arg: *mut c_void, ServerPrincName: RPC_WSTR, KeyVer: c_ulong, Key: *mut *mut c_void, Status: *mut RPC_STATUS)>;