Get IP Address in C

/////////IP ADDRESS OF MY SYSTEM/////////////

//This programme will show you IP Address,Name,Host of your System

 

#include <stdio.h> 

#include <WinSock.h> 

#include <stdlib.h> 

#pragma comment (lib, "wsock32.lib") 

int main() 

{ 

 WORD wVersionRequested; 

 WSADATA wsaData; 

 char caHostname[255+1]; 

 PHOSTENT hostData; 

 char *pIP; 

 int i=0; 

 wVersionRequested=MAKEWORD(1,1); 

 if(WSAStartup(wVersionRequested, &wsaData)!=0) 

 { 

  printf("Error......code is not compartible with platform\n"); 

  exit(EXIT_FAILURE); 

 } 

 if(gethostname(caHostname, sizeof caHostname)!=0) 

  printf("Error......Hostname not found\n"); 

 printf("HOSTNAME : %s\n",caHostname); 

 if((hostData=gethostbyname(caHostname))==NULL) 

 { 

  printf("Error......code is not compartible with platform\n"); 

  exit(EXIT_FAILURE); 

 } 

 while(hostData->h_addr_list[i]) 

 { 

  pIP = inet_ntoa(*(struct in_addr *)hostData->h_addr_list[i]); 

  printf("IP ADDRESS %d: %s\n", ++i, pIP); 

 } 

 return 0; 

}