Getting the IP address of the local machine

#include <winsock.h>

BOOL GetIP(LPSTR straddr) 
{
  char     szHostname[100];
  HOSTENT *pHent;
  int      nAdapter = 0;
  SOCKADDR_IN sinRemote;         

  gethostname( szHostname, sizeof( szHostname ));
  pHent = gethostbyname( szHostname );

  if (pHent != NULL)
  {
     sinRemote.sin_addr.s_addr = *(u_long *)pHent->h_addr;
     sprintf(straddr,"%d.%d.%d.%d",
             sinRemote.sin_addr.S_un.S_un_b.s_b1,
             sinRemote.sin_addr.S_un.S_un_b.s_b2,
             sinRemote.sin_addr.S_un.S_un_b.s_b3,
             sinRemote.sin_addr.S_un.S_un_b.s_b4);
  }
  else         
      *straddr=NULL;
  return (pHent != NULL);
}