rostests/tests/gethostbyname/gethostbyname.c

   1 #include <stdio.h>
   2 #include <winsock2.h>
   3
   4 int main( int argc, char **argv ) {
   5   WSADATA wdata;
   6
   7   WSAStartup( 0x0101, &wdata );
   8
   9   if( argc > 1 ) {
  10     struct hostent *he = gethostbyname( argv[1] );
  11     if( !he ) {
  12       printf( "lookup of host %s failed: %d\n", argv[1], WSAGetLastError() );
  13       return 1;
  14     } else {
  15       printf( "Lookup of host %s returned %s\n",
  16               argv[1], inet_ntoa(*((struct in_addr *)he->h_addr_list[0])) );
  17       return 0;
  18     }
  19   } else
  20     return 1;
  21 }