# First rule of the config file is to never talk about the
# cofig file (yeah, yeah, Fight Club humor).
# Okay, seriously now:

Source: Direct link to the source code
Software: Contact pages for the Bangor Daily News
Programming language: PHP

/* XXX: BIG BIG IMPORTANT FAT NOTE! :XXX
 *
 * The first rule of fight club is:
 *   You do not include ssl/ssl.h.
 *
 * The second rule of fight club is:
 *   You DO NOT include ssl/ssl.h.
 *
 * The third rule of fight club is:
 *   If you include util/error.h before ssl/ssl.h,
 *   the compilation is over!
 *
 * The fourth rule of fight club is:
 *   Only one inclusion of ssl/ssl.h at once.
 *
 * The fifth rule of fight club is:
 *   If you include ssl/ssl.h, it comes right after elinks.h.
 *
 * The sixth rule of fight club is:
 *   No ssl/ssl.h in other .h file, no complaints about
 *   the rules.
 *
 * The seventh rule of fight club is:
 *   The compilation will go as long as there is still
 *   something to compile.
 *
 * The eight, and final rule of fight club is:
 *   If this your first peek at this .h file, you
 *   HAVE TO COMPILE!
 *
 *   (Apologies to Chuck Palahniuk.) */

Source: Direct link to the source code
Software: ELinks
Programming language: C