--- /dev/null
+/*
+ * Copyright (c) 2012, 2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef _LIBSYSTEMCONFIGURATION_CLIENT_H
+#define _LIBSYSTEMCONFIGURATION_CLIENT_H
+
+#include <Availability.h>
+#include <TargetConditionals.h>
+#include <sys/cdefs.h>
+#include <dispatch/dispatch.h>
+#include <xpc/xpc.h>
+
+// ------------------------------------------------------------
+
+#pragma mark -
+#pragma mark [XPC] DNS configuration server
+
+#define DNSINFO_SERVER_VERSION 20130408
+
+#if !TARGET_IPHONE_SIMULATOR
+#define DNSINFO_SERVICE_NAME "com.apple.SystemConfiguration.DNSConfiguration"
+#else // !TARGET_IPHONE_SIMULATOR
+#define DNSINFO_SERVICE_NAME "com.apple.SystemConfiguration.DNSConfiguration_sim"
+#endif // !TARGET_IPHONE_SIMULATOR
+
+#define DNSINFO_PROC_NAME "proc_name" // string
+
+#define DNSINFO_REQUEST "request_op" // int64
+
+enum {
+ DNSINFO_REQUEST_COPY = 0x10001,
+ DNSINFO_REQUEST_ACKNOWLEDGE,
+};
+
+#define DNSINFO_CONFIGURATION "configuration" // data
+#define DNSINFO_GENERATION "generation" // uint64
+
+// ------------------------------------------------------------
+
+#pragma mark -
+#pragma mark [XPC] Network information (nwi) server
+
+#define NWI_SERVER_VERSION 20130408
+
+#if !TARGET_IPHONE_SIMULATOR
+#define NWI_SERVICE_NAME "com.apple.SystemConfiguration.NetworkInformation"
+#else // !TARGET_IPHONE_SIMULATOR
+#define NWI_SERVICE_NAME "com.apple.SystemConfiguration.NetworkInformation_sim"
+#endif // !TARGET_IPHONE_SIMULATOR
+
+#define NWI_PROC_NAME "proc_name" // string
+
+#define NWI_REQUEST "request_op" // int64
+
+enum {
+ NWI_REQUEST_COPY = 0x20001,
+ NWI_REQUEST_ACKNOWLEDGE,
+};
+
+#define NWI_CONFIGURATION "configuration" // data
+#define NWI_GENERATION "generation" // uint64
+
+// ------------------------------------------------------------
+
+typedef struct {
+ _Bool active;
+ xpc_connection_t connection;
+ char *service_description;
+ char *service_name;
+} libSC_info_client_t;
+
+// ------------------------------------------------------------
+
+__BEGIN_DECLS
+
+libSC_info_client_t *
+libSC_info_client_create (
+ dispatch_queue_t q,
+ const char *service_name,
+ const char *service_description
+ );
+
+void
+libSC_info_client_release (
+ libSC_info_client_t *client
+ );
+
+xpc_object_t
+libSC_send_message_with_reply_sync (
+ libSC_info_client_t *client,
+ xpc_object_t message
+ );
+
+__END_DECLS
+
+#endif // _LIBSYSTEMCONFIGURATION_CLIENT_H