Get hostname and ip address of local computer

This code will get the host name and ip for the computer on which the code is run. This works in Visual C++ 5 SP1/2 on NT4 and 95.

Requirements

#include <winsock2.h>

Link with Wsock32.lib

That's It.
{
      WORD wVersionRequested;
      WSADATA wsaData;
      char name[255];
      CString ip;
      PHOSTENT hostinfo;
      wVersionRequested = MAKEWORD( 2, 0 );

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

            if( gethostname ( name, sizeof(name)) == 0)
            {
                  if((hostinfo = gethostbyname(name)) != NULL)
                  {
                        ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
                  }
            }
            
            WSACleanup( );
      } 
}

Article moved from Internet section on January 26 1999



Comments

  • There are no comments yet. Be the first to comment!

Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • IBM Worklight is a mobile application development platform that lets you extend your business to mobile devices. It is designed to provide an open, comprehensive platform to build, run and manage HTML5, hybrid and native mobile apps.

  • On-demand Event Event Date: October 29, 2014 It's well understood how critical version control is for code. However, its importance to DevOps isn't always recognized. The 2014 DevOps Survey of Practice shows that one of the key predictors of DevOps success is putting all production environment artifacts into version control. In this webcast, Gene Kim discusses these survey findings and shares woeful tales of artifact management gone wrong! Gene also shares examples of how high-performing DevOps …

Most Popular Programming Stories

More for Developers

Latest Developer Headlines

RSS Feeds