1  #include <sys/types.h>
       2  #include <sys/socket.h>
       3  #include <netdb.h>
       4  #include <stdio.h>
       5  #include <string.h>
       6  
       7  int
       8  main (void)
       9  {
      10    struct addrinfo req, *ai;
      11    char name[] = "3ffe:0200:0064:0000:0202:b3ff:fe16:ddc5";
      12  
      13    memset (&req, '\0', sizeof req);
      14    req.ai_family = AF_INET6;
      15  
      16    /* This call used to crash.  We cannot expect the test machine to have
      17       IPv6 enabled so we just check that the call returns.  */
      18    getaddrinfo (name, NULL, &req, &ai);
      19  
      20    puts ("success!");
      21    return 0;
      22  }