diff --git a/checkin_notes b/checkin_notes
index 8d565d0557..94ac41c7fd 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -20204,3 +20204,6 @@ David  23 Nov 2004
         start
     tools/
         make_project
+ Bruce  24 Nov 2004 UTC
+    - Added const char RCSID string to all *.c files, so that 'ident' and 'strings' can identify
+      file version numbers.
diff --git a/client/win/HeapCheck/HeapCheck.c b/client/win/HeapCheck/HeapCheck.c
index 15285f8d2b..d55806cdf2 100755
--- a/client/win/HeapCheck/HeapCheck.c
+++ b/client/win/HeapCheck/HeapCheck.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /***************************************************************************
  *  HeapCheck - a heap debugging library
  *  Copyright (C) 2001  Thanassis Tsiodras (ttsiod@softlab.ntua.gr)
diff --git a/lib/md5.c b/lib/md5.c
index 5fa54d56e5..7dde9e1f28 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
 
diff --git a/zip/test.c b/zip/test.c
index 8e22c6d871..8a2de19bee 100644
--- a/zip/test.c
+++ b/zip/test.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 #define DIRREF long
 
 #include "config.h"
diff --git a/zip/unzip/api.c b/zip/unzip/api.c
index 1d5edbca8e..3987de0ac4 100644
--- a/zip/unzip/api.c
+++ b/zip/unzip/api.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/apihelp.c b/zip/unzip/apihelp.c
index de39cee1fc..a196e599e5 100644
--- a/zip/unzip/apihelp.c
+++ b/zip/unzip/apihelp.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/crc32.c b/zip/unzip/crc32.c
index b67e014642..099fa5cea3 100644
--- a/zip/unzip/crc32.c
+++ b/zip/unzip/crc32.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/crctab.c b/zip/unzip/crctab.c
index e1eaf6a760..1655f16a4b 100644
--- a/zip/unzip/crctab.c
+++ b/zip/unzip/crctab.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/crypt.c b/zip/unzip/crypt.c
index 8590e5af22..de039bd3f3 100644
--- a/zip/unzip/crypt.c
+++ b/zip/unzip/crypt.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/envargs.c b/zip/unzip/envargs.c
index f00628294d..5c1950add0 100644
--- a/zip/unzip/envargs.c
+++ b/zip/unzip/envargs.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/explode.c b/zip/unzip/explode.c
index 8d9d3f3efc..4d0863969e 100644
--- a/zip/unzip/explode.c
+++ b/zip/unzip/explode.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/extract.c b/zip/unzip/extract.c
index ccbcc1e3fd..69acdd40ee 100644
--- a/zip/unzip/extract.c
+++ b/zip/unzip/extract.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/fileio.c b/zip/unzip/fileio.c
index a31635a8d7..11d66508ff 100644
--- a/zip/unzip/fileio.c
+++ b/zip/unzip/fileio.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/funzip.c b/zip/unzip/funzip.c
index c082dd681d..72976b389f 100644
--- a/zip/unzip/funzip.c
+++ b/zip/unzip/funzip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/gbloffs.c b/zip/unzip/gbloffs.c
index 495fa81fc5..cf9c0aaf17 100644
--- a/zip/unzip/gbloffs.c
+++ b/zip/unzip/gbloffs.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/globals.c b/zip/unzip/globals.c
index cc7055be93..57ea60023d 100644
--- a/zip/unzip/globals.c
+++ b/zip/unzip/globals.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/inflate.c b/zip/unzip/inflate.c
index 6df8de40ab..9df4139755 100644
--- a/zip/unzip/inflate.c
+++ b/zip/unzip/inflate.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/list.c b/zip/unzip/list.c
index da6d06aba3..7fead2b4eb 100644
--- a/zip/unzip/list.c
+++ b/zip/unzip/list.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/getenv.c b/zip/unzip/macos/source/getenv.c
index 3b22327906..0adc3a628b 100644
--- a/zip/unzip/macos/source/getenv.c
+++ b/zip/unzip/macos/source/getenv.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/helpers.c b/zip/unzip/macos/source/helpers.c
index 36b5befbb1..0ffa8f560a 100644
--- a/zip/unzip/macos/source/helpers.c
+++ b/zip/unzip/macos/source/helpers.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/macbin3.c b/zip/unzip/macos/source/macbin3.c
index f7887dddd5..6b4224f449 100644
--- a/zip/unzip/macos/source/macbin3.c
+++ b/zip/unzip/macos/source/macbin3.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /****************************************************************
     MacBinaryIII.c
 
diff --git a/zip/unzip/macos/source/macdir.c b/zip/unzip/macos/source/macdir.c
index 5bd57546c5..889ccdb049 100644
--- a/zip/unzip/macos/source/macdir.c
+++ b/zip/unzip/macos/source/macdir.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/macos.c b/zip/unzip/macos/source/macos.c
index 2c8601a767..b0c622f270 100644
--- a/zip/unzip/macos/source/macos.c
+++ b/zip/unzip/macos/source/macos.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/macscreen.c b/zip/unzip/macos/source/macscreen.c
index f453bb5db2..36b91017bd 100644
--- a/zip/unzip/macos/source/macscreen.c
+++ b/zip/unzip/macos/source/macscreen.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/macstat.c b/zip/unzip/macos/source/macstat.c
index e8d6787931..8bd34cab0d 100644
--- a/zip/unzip/macos/source/macstat.c
+++ b/zip/unzip/macos/source/macstat.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/mactime.c b/zip/unzip/macos/source/mactime.c
index af9ad5ed7a..93c829dc6a 100644
--- a/zip/unzip/macos/source/mactime.c
+++ b/zip/unzip/macos/source/mactime.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/macunzip.c b/zip/unzip/macos/source/macunzip.c
index 117945a8f3..a41ec76abc 100644
--- a/zip/unzip/macos/source/macunzip.c
+++ b/zip/unzip/macos/source/macunzip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/pathname.c b/zip/unzip/macos/source/pathname.c
index 0ca7613a01..392ddfa49f 100644
--- a/zip/unzip/macos/source/pathname.c
+++ b/zip/unzip/macos/source/pathname.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/macos/source/sxunzip.c b/zip/unzip/macos/source/sxunzip.c
index 6684e35e05..21ca915368 100644
--- a/zip/unzip/macos/source/sxunzip.c
+++ b/zip/unzip/macos/source/sxunzip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/match.c b/zip/unzip/match.c
index 01bec0f602..84fb4d02f0 100644
--- a/zip/unzip/match.c
+++ b/zip/unzip/match.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/process.c b/zip/unzip/process.c
index 68bcc8f307..e83db27147 100644
--- a/zip/unzip/process.c
+++ b/zip/unzip/process.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/timezone.c b/zip/unzip/timezone.c
index 24a8d049dc..20ba2ccdbf 100644
--- a/zip/unzip/timezone.c
+++ b/zip/unzip/timezone.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/ttyio.c b/zip/unzip/ttyio.c
index bfd96de7a1..96213ba6dc 100644
--- a/zip/unzip/ttyio.c
+++ b/zip/unzip/ttyio.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/unix/unix.c b/zip/unzip/unix/unix.c
index 55502cd254..bf8046586f 100644
--- a/zip/unzip/unix/unix.c
+++ b/zip/unzip/unix/unix.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/unreduce.c b/zip/unzip/unreduce.c
index 4d1194f405..1449301d2f 100644
--- a/zip/unzip/unreduce.c
+++ b/zip/unzip/unreduce.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/unshrink.c b/zip/unzip/unshrink.c
index feb2f0503c..f159fb014e 100644
--- a/zip/unzip/unshrink.c
+++ b/zip/unzip/unshrink.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/unzip.c b/zip/unzip/unzip.c
index 0b835afc78..2eb7788f92 100644
--- a/zip/unzip/unzip.c
+++ b/zip/unzip/unzip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/unzipstb.c b/zip/unzip/unzipstb.c
index d1e9574b00..2ebb7641c2 100644
--- a/zip/unzip/unzipstb.c
+++ b/zip/unzip/unzipstb.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/win32/crc_i386.c b/zip/unzip/win32/crc_i386.c
index 54ab6c6a94..c208744161 100644
--- a/zip/unzip/win32/crc_i386.c
+++ b/zip/unzip/win32/crc_i386.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/win32/nt.c b/zip/unzip/win32/nt.c
index f10ab52cd9..b3d4bc6f12 100644
--- a/zip/unzip/win32/nt.c
+++ b/zip/unzip/win32/nt.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/win32/win32.c b/zip/unzip/win32/win32.c
index 1eca99c05f..ccd6fc1cdb 100644
--- a/zip/unzip/win32/win32.c
+++ b/zip/unzip/win32/win32.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2002 Info-ZIP.  All rights reserved.
 
diff --git a/zip/unzip/zipinfo.c b/zip/unzip/zipinfo.c
index 2ea5c9dd6a..216ed73084 100644
--- a/zip/unzip/zipinfo.c
+++ b/zip/unzip/zipinfo.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-2001 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/deflate.c b/zip/zip/deflate.c
index 5855f020fa..bc854d1c5f 100644
--- a/zip/zip/deflate.c
+++ b/zip/zip/deflate.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/extrafld.c b/zip/zip/macos/source/extrafld.c
index dcaf003090..1ef8a0a538 100644
--- a/zip/zip/macos/source/extrafld.c
+++ b/zip/zip/macos/source/extrafld.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/getenv.c b/zip/zip/macos/source/getenv.c
index 5dafa95c29..226a1a23b0 100644
--- a/zip/zip/macos/source/getenv.c
+++ b/zip/zip/macos/source/getenv.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/helpers.c b/zip/zip/macos/source/helpers.c
index ac34129619..2c225bf7d3 100644
--- a/zip/zip/macos/source/helpers.c
+++ b/zip/zip/macos/source/helpers.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/macopen.c b/zip/zip/macos/source/macopen.c
index 9e1873032f..d4aa8f6252 100644
--- a/zip/zip/macos/source/macopen.c
+++ b/zip/zip/macos/source/macopen.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/macos.c b/zip/zip/macos/source/macos.c
index 920b008627..3f902ffeff 100644
--- a/zip/zip/macos/source/macos.c
+++ b/zip/zip/macos/source/macos.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/macstuff.c b/zip/zip/macos/source/macstuff.c
index 03236073c0..8be4a66bc3 100644
--- a/zip/zip/macos/source/macstuff.c
+++ b/zip/zip/macos/source/macstuff.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
 These Functions were originally part of More Files version 1.4.8
 
diff --git a/zip/zip/macos/source/mactime.c b/zip/zip/macos/source/mactime.c
index e695e227eb..c1171351b4 100644
--- a/zip/zip/macos/source/mactime.c
+++ b/zip/zip/macos/source/mactime.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/pathname.c b/zip/zip/macos/source/pathname.c
index 490a766297..27bf73db06 100644
--- a/zip/zip/macos/source/pathname.c
+++ b/zip/zip/macos/source/pathname.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/macos/source/recurse.c b/zip/zip/macos/source/recurse.c
index e87db3cdca..508d3a7281 100644
--- a/zip/zip/macos/source/recurse.c
+++ b/zip/zip/macos/source/recurse.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
 These functions are based on Jim Luther's IterateDirectory() found in MoreFiles
 However, it's heavily modified by Dirk Haase
diff --git a/zip/zip/macos/source/unixlike.c b/zip/zip/macos/source/unixlike.c
index 4eb55da3a5..49be57d778 100644
--- a/zip/zip/macos/source/unixlike.c
+++ b/zip/zip/macos/source/unixlike.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/mktime.c b/zip/zip/mktime.c
index 0f1edc5559..686fbb1e4e 100644
--- a/zip/zip/mktime.c
+++ b/zip/zip/mktime.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /* free mktime function
    Copyright 1988, 1989 by David MacKenzie <djm@ai.mit.edu>
    and Michael Haertel <mike@ai.mit.edu>
diff --git a/zip/zip/trees.c b/zip/zip/trees.c
index b49db354d1..76af600170 100644
--- a/zip/zip/trees.c
+++ b/zip/zip/trees.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/unix/z_unix.c b/zip/zip/unix/z_unix.c
index cb9b36da36..4cf072457b 100644
--- a/zip/zip/unix/z_unix.c
+++ b/zip/zip/unix/z_unix.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/util.c b/zip/zip/util.c
index 1ca5ae2a87..7118dbb81f 100644
--- a/zip/zip/util.c
+++ b/zip/zip/util.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/win32/crc_i386.c b/zip/zip/win32/crc_i386.c
index 7254b141f9..5e527eafc7 100644
--- a/zip/zip/win32/crc_i386.c
+++ b/zip/zip/win32/crc_i386.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/win32/nt.c b/zip/zip/win32/nt.c
index d8b61e493b..dbede7b341 100644
--- a/zip/zip/win32/nt.c
+++ b/zip/zip/win32/nt.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/win32/win32zip.c b/zip/zip/win32/win32zip.c
index e67628e328..3767126686 100644
--- a/zip/zip/win32/win32zip.c
+++ b/zip/zip/win32/win32zip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/win32/z_win32.c b/zip/zip/win32/z_win32.c
index 4307de5d5b..ca03def5ca 100644
--- a/zip/zip/win32/z_win32.c
+++ b/zip/zip/win32/z_win32.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_api.c b/zip/zip/z_api.c
index 5fc082a582..62fd4ebe02 100644
--- a/zip/zip/z_api.c
+++ b/zip/zip/z_api.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_crc32.c b/zip/zip/z_crc32.c
index fe25fd759e..8ceb58587e 100644
--- a/zip/zip/z_crc32.c
+++ b/zip/zip/z_crc32.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_crctab.c b/zip/zip/z_crctab.c
index 89cabe41a4..e60696a387 100644
--- a/zip/zip/z_crctab.c
+++ b/zip/zip/z_crctab.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_crypt.c b/zip/zip/z_crypt.c
index 359072c21e..53f15de4e9 100644
--- a/zip/zip/z_crypt.c
+++ b/zip/zip/z_crypt.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_fileio.c b/zip/zip/z_fileio.c
index 4fdcf027d8..092511a77e 100644
--- a/zip/zip/z_fileio.c
+++ b/zip/zip/z_fileio.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_globals.c b/zip/zip/z_globals.c
index 0db32067ed..2137765144 100644
--- a/zip/zip/z_globals.c
+++ b/zip/zip/z_globals.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/z_ttyio.c b/zip/zip/z_ttyio.c
index 56b765ca83..52b69da3cf 100644
--- a/zip/zip/z_ttyio.c
+++ b/zip/zip/z_ttyio.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zip.c b/zip/zip/zip.c
index 936276a0f1..af9e9a51f0 100644
--- a/zip/zip/zip.c
+++ b/zip/zip/zip.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zipcloak.c b/zip/zip/zipcloak.c
index e6b531088a..cb090ec31b 100644
--- a/zip/zip/zipcloak.c
+++ b/zip/zip/zipcloak.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zipfile.c b/zip/zip/zipfile.c
index bc1a8df08e..cf458eaf39 100644
--- a/zip/zip/zipfile.c
+++ b/zip/zip/zipfile.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zipnote.c b/zip/zip/zipnote.c
index 4d9caf8b0c..d281901f9a 100644
--- a/zip/zip/zipnote.c
+++ b/zip/zip/zipnote.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zipsplit.c b/zip/zip/zipsplit.c
index cf65e56bfb..e1195acb2c 100644
--- a/zip/zip/zipsplit.c
+++ b/zip/zip/zipsplit.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.
 
diff --git a/zip/zip/zipup.c b/zip/zip/zipup.c
index f71fc5cfdb..ad7b6c58d7 100644
--- a/zip/zip/zipup.c
+++ b/zip/zip/zipup.c
@@ -1,3 +1,4 @@
+static volatile const char *BOINCrcsid="$Id$";
 /*
   Copyright (c) 1990-1999 Info-ZIP.  All rights reserved.