IOS Get phone IP address

#include <ifaddrs.h> #include <arpa/inet.h> - (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 of interfaces          temp_addr = interfaces;          while (temp_addr != NULL) {              if ( temp_addr->ifa_addr->sa_family == AF_INET) {                  // Check if interface is en0 which is the wifi connection on the iPhone                  if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@ "en0" ]) {                      // Get NSString from C String                      address = [NSString stringWithUTF8String:inet_ntoa((( struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];                  }              }                           temp_addr = temp_addr->ifa_next;          }      }           // Free memory      freeifaddrs(interfaces);           return address; }Transfer from http://www.cnblogs.com/yunis/p/3892891.html

IOS Get phone IP address