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POSemantic warning on xcode 4
 

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  1. POSemantic warning on xcode 4
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    <p>I'm getting a semantic warning on Xcode 4 : <strong>*Declaration of 'struct sockaddr_in' will not be visible outside of this function*</strong> the struct seems to be declared in netinet/in.h </p> <p>The warning is getting marked on Reachability.h, its a class that I downloaded from Apple examples.</p> <pre><code>#import &lt;Foundation/Foundation.h&gt; #import &lt;SystemConfiguration/SystemConfiguration.h&gt; typedef enum { NotReachable = 0, ReachableViaWiFi, ReachableViaWWAN } NetworkStatus; #define kReachabilityChangedNotification @"kNetworkReachabilityChangedNotification" @interface Reachability: NSObject { BOOL localWiFiRef; SCNetworkReachabilityRef reachabilityRef; } //reachabilityWithHostName- Use to check the reachability of a particular host name. + (Reachability*) reachabilityWithHostName: (NSString*) hostName; //reachabilityWithAddress- Use to check the reachability of a particular IP address. + (Reachability*) reachabilityWithAddress: (const struct sockaddr_in*) hostAddress; //reachabilityForInternetConnection- checks whether the default route is available. // Should be used by applications that do not connect to a particular host + (Reachability*) reachabilityForInternetConnection; //reachabilityForLocalWiFi- checks whether a local wifi connection is available. + (Reachability*) 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 </code></pre> <p>I don't understand the warning, can someone explain it to me? Thank you.</p>
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