how to get ip address of iphone programmatically [duplicate]

#include <ifaddrs.h> #include <arpa/inet.h> // Get the INTERNAL ip address – (NSString *)getIPAddress { NSString *address = @”error”; struct ifaddrs *interfaces = NULL; struct ifaddrs *temp_addr = NULL; int success = 0; // retrieve the current interfaces – returns 0 on success success = getifaddrs(&interfaces); if (success == 0) { // Loop through linked list …

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Host Name Vs Canonical Host Name

There are a few difference between the two: getCanonicalHostName() will attempt to resolve the FQDN. Therefore, you would get foo.mycompany.com whereas getHostName() might just return foo. getCanonicalHostName() will always do a reverse DNS lookup, whereas getHostName() would return the stored hostname if you supplied one in the InetAddress constructor. I suspect you will be wanting …

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Programmatically getting the gateway and subnet mask details

I have found a class called DhcpInfo within the android.net package. It has some public variables that stores the values of current Network parameters. But the problem is they return the value in integer converted from 8Bit shifted binary. Sample Image Describing thee Scenario: ****Here is a sample code:** **java file:**** package com.schogini.dhcp; import android.app.Activity; …

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How to check if an IP address is within a particular subnet

Take a look at IP Address Calculations with C# on MSDN blogs. It contains an extension method (IsInSameSubnet) that should meet your needs as well as some other goodies. public static class IPAddressExtensions { public static IPAddress GetBroadcastAddress(this IPAddress address, IPAddress subnetMask) { byte[] ipAdressBytes = address.GetAddressBytes(); byte[] subnetMaskBytes = subnetMask.GetAddressBytes(); if (ipAdressBytes.Length != subnetMaskBytes.Length) …

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Private IP Address Identifier in Regular Expression

I’m assuming you want to match these ranges: 127. 0.0.0 – 127.255.255.255 127.0.0.0 /8 10. 0.0.0 – 10.255.255.255 10.0.0.0 /8 172. 16.0.0 – 172. 31.255.255 172.16.0.0 /12 192.168.0.0 – 192.168.255.255 192.168.0.0 /16 You are missing some dots that would cause it to accept for example 172.169.0.0 even though this should not be accepted. I’ve fixed …

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