--- /dev/null
+! ========================================================================
+! Copyright 1988-2006 University of Washington
+!
+! Licensed under the Apache License, Version 2.0 (the "License");
+! you may not use this file except in compliance with the License.
+! You may obtain a copy of the License at
+!
+! http://www.apache.org/licenses/LICENSE-2.0
+!
+!
+! ========================================================================
+
+! Program: Portable C client build for TOPS-20
+!
+! Author: Mark Crispin
+! Networks and Distributed Computing
+! Computing & Communications
+! University of Washington
+! Administration Building, AG-44
+! Seattle, WA 98195
+! Internet: MRC@CAC.Washington.EDU
+!
+! Date: 11 May 1989
+! Last Edited: 30 August 2006
+
+!
+! Set environment
+@DEFINE SYS: PS:<KCC-6>,SYS:
+!
+! Build c-client library
+!
+@COPY OS_T20.* OSDEP.*
+@CCX -c -m -w=note MAIL.C DUMMYT20.C IMAP4R1.C SMTP.C NNTP.C POP3.C RFC822.C MISC.C OSDEP.C FLSTRING.C SMANAGER.C NEWSRC.C NETMSG.C UTF8.C UTF8AUX.C
+!
+! Build c-client library file. Should use MAKLIB, but MAKLIB barfs on MAIL.REL
+!
+@DELETE CCLINT.REL
+@APPEND MAIL.REL,DUMMYT20.REL,IMAP4R1.REL,SMTP.REL,NNTP.REL,POP3.REL,RFC822.REL,MISC.REL,OSDEP.REL,FLSTRING.REL,SMANAGER.REL,NEWSRC.REL,NETMSG.REL,UTF8.REL,UTF8AUX.REL CCLINT.REL
+!
+! Build MTEST library test program
+!
+@CCX -c -m -w=note MTEST.C
+@LINK
+*/SET:.HIGH.:200000
+*C:LIBCKX.REL
+*MTEST.REL
+*CCLINT.REL
+*MTEST/SAVE
+*/GO
+!
+! Build MAILUTIL
+!
+@CCX -c -m -w=note MAILUTIL.C
+@RENAME MAILUTIL.REL MUTIL.REL
+@LINK
+*/SET:.HIGH.:200000
+*C:LIBCKX.REL
+*MUTIL.REL
+*CCLINT.REL
+*MUTIL/SAVE
+*/GO
+@RESET
+@RENAME MUTIL.EXE MAILUTIL.EXE