Makefile	We all know what that is.
README		Important, read it.
INSTALL		A description of what has to be done to install procmail.
FAQ		Lists the things you are too lazy to figure out yourself.
HISTORY		Recent and ancient changes, features (or bugs) documented.
FEATURES	A summary of all the things procmail is particularly good at.
lockfile.c	main program for lockfile
formail.c	main program for formail
Manifest	You guessed it.
procmail.c	main program for procmail.
nonint.c	Collection of routines that don't return ints.
retint.c	Collection of routines that return ints.
goodies.c	Some real nice routines, deserve to be put in a library.
regexp.c	Custom regular expression library, *fully* egrep compatible.
common.c	Some routines that are used by procmail and formail.
exopen.c	Collection of routines about an NFS secure excl. open.
exopen.h	The very same.
procmail.h	Include file with all declarations.

includes.h	System include files are all referenced here.
config.h	The file to edit if you want to change, yes, the configuration.
autoconf	The shell script that seizes your compiler and machine,
		and then creates a file called autoconf.h describing the
		kludges that are going to be applied for your installation.

shell.h		Defines a few 'shell' macros for malloc and the like.
man/*		Yes, the man pages (made in a labour camp) and two additional
		files which makes these man pages auto-adapting.
include/*	A few files that are supposed to fool your compiler into
		thinking that it has ANSI and POSIX conforming include files.
examples/?procmailrc
		Sample .procmailrc files.
examples/?rmail
		Sample shell scripts that demonstrate how to use
		lockfiles while reading the mail (to ensure mail integrity
		as soon as you exit the mail program).
examples/forward
		A sample .forward file (MMDF users should disregard this file
		and look in the man page).
examples/advanced
		Some extra info for network mounted mailboxes, examples of
		advanced .procmailrc expressions and using procmail as
		a local delivery agent.
examples/mailinglist
		Comprehensive instructions on maintaining a mailinglist.
examples/listrc Model-rcfile for use in mailinglists.
