motify compile link error

motify compile link error

tools/simple_config_wizard/iOS/SimpleConfigWizard/SimpleConfig/Reachability.h

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+/*
+     File: Reachability.h
+ Abstract: Basic demonstration of how to use the SystemConfiguration Reachablity APIs.
+  Version: 3.5
+ 
+ Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
+ Inc. ("Apple") in consideration of your agreement to the following
+ terms, and your use, installation, modification or redistribution of
+ this Apple software constitutes acceptance of these terms.  If you do
+ not agree with these terms, please do not use, install, modify or
+ redistribute this Apple software.
+ 
+ In consideration of your agreement to abide by the following terms, and
+ subject to these terms, Apple grants you a personal, non-exclusive
+ license, under Apple's copyrights in this original Apple software (the
+ "Apple Software"), to use, reproduce, modify and redistribute the Apple
+ Software, with or without modifications, in source and/or binary forms;
+ provided that if you redistribute the Apple Software in its entirety and
+ without modifications, you must retain this notice and the following
+ text and disclaimers in all such redistributions of the Apple Software.
+ Neither the name, trademarks, service marks or logos of Apple Inc. may
+ be used to endorse or promote products derived from the Apple Software
+ without specific prior written permission from Apple.  Except as
+ expressly stated in this notice, no other rights or licenses, express or
+ implied, are granted by Apple herein, including but not limited to any
+ patent rights that may be infringed by your derivative works or by other
+ works in which the Apple Software may be incorporated.
+ 
+ The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
+ MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
+ THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
+ FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
+ OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+ 
+ IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
+ MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
+ AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
+ STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+ 
+ Copyright (C) 2014 Apple Inc. All Rights Reserved.
+ 
+ */
+
+#import <Foundation/Foundation.h>
+#import <SystemConfiguration/SystemConfiguration.h>
+#import <netinet/in.h>
+
+
+typedef enum : NSInteger {
+	NotReachable = 0,
+	ReachableViaWiFi,
+	ReachableViaWWAN
+} NetworkStatus;
+
+
+extern NSString *kReachabilityChangedNotification;
+
+
+@interface Reachability : NSObject
+
+/*!
+ * Use to check the reachability of a given host name.
+ */
++ (instancetype)reachabilityWithHostName:(NSString *)hostName;
+
+/*!
+ * Use to check the reachability of a given IP address.
+ */
++ (instancetype)reachabilityWithAddress:(const struct sockaddr_in *)hostAddress;
+
+/*!
+ * Checks whether the default route is available. Should be used by applications that do not connect to a particular host.
+ */
++ (instancetype)reachabilityForInternetConnection;
+
+/*!
+ * Checks whether a local WiFi connection is available.
+ */
++ (instancetype)reachabilityForLocalWiFi;
+
+/*!
+ * Start listening for reachability notifications on the current run loop.
+ */
+- (BOOL)startNotifier;
+- (void)stopNotifier;
+
+- (NetworkStatus)currentReachabilityStatus;
+
+/*!
+ * WWAN may be available, but not active until a connection has been established. WiFi may require a connection for VPN on Demand.
+ */
+- (BOOL)connectionRequired;
+
+@end
+
+