-- C module extracted from ITU-T X.667 (10/2012)

   #include "copyrt.h"
   #include "sysdep.h"
   #include <stdio.h>
   #include "uuid.h"

   uuid_t NameSpace_DNS = { /* 6ba7b810-9dad-11d1-80b4-00c04fd430c8 */
       0x6ba7b810,
       0x9dad,
       0x11d1,
       0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8
   };

   /* puid -- print a UUID */
   void puid(uuid_t u)
   {
       int i;
       printf("%8.8x-%4.4x-%4.4x-%2.2x%2.2x-", u.time_low, u.time_mid,
       u.time_hi_and_version, u.clock_seq_hi_and_reserved,
       u.clock_seq_low);
       for (i = 0; i < 6; i++)
           printf("%2.2x", u.node[i]);
       printf("\n");
   }

   /* simple driver for UUID generator */
   int main(int argc, char **argv)
   {
       uuid_t u;
       int f;

       uuid_create(&u);
       printf("uuid_create(): "); puid(u);

       f = uuid_compare(&u, &u);
       printf("uuid_compare(u,u): %d\n", f);     /* should be 0 */
       f = uuid_compare(&u, &NameSpace_DNS);
       printf("uuid_compare(u, NameSpace_DNS): %d\n", f); /* should be 1 */
       f = uuid_compare(&NameSpace_DNS, &u);
       printf("uuid_compare(NameSpace_DNS, u): %d\n", f); /* should be -1 */
       uuid_create_from_name(&u, NameSpace_DNS, "www.widgets.com", 15);
       printf("uuid_create_from_name(): "); puid(u);
   }