The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 /*

   Converts a binary stream of address references to a text stream,

   hexadecimal, newline separated.

  */

 #include <stdio.h>

 #include <unistd.h>

 int

 main(int argc, char *argv[])

 {

     unsigned int buf[1024];

     ssize_t cb;

     while ((cb = read(STDIN_FILENO, buf, sizeof buf)) > 0) {

         if (cb % sizeof buf[0])

             fprintf(stderr, "unaligned read\n");

         unsigned int *addr = buf;

         unsigned int *limit = buf + (cb / 4);

         for (; addr < limit; ++addr)

             printf("%x\n", *addr);

     }

     return 0;

 }