Changes include: sccsid -> rcsid, bcopy -> memcpy, don't use the

register keyword, and -Wall cleaning.

Obtained from: similar changes in NetBSD

bin/csh/Makefile

@@ -1,5 +1,5 @@
+#	$Id: Makefile,v 1.7 1997/02/22 14:01:36 peter Exp $
 #	@(#)Makefile	8.1 (Berkeley) 5/31/93
-#	$Id$
 #
 # C Shell with process control; VM/UNIX VAX Makefile
 # Bill Joy UC Berkeley; Jim Kulp IIASA, Austria
@@ -11,7 +11,7 @@ DFLAGS=-DBUILTIN -DFILEC -DNLS -DSHORT_STRINGS
 CFLAGS+=-I${.CURDIR} -I. ${DFLAGS}
 SRCS=	alloc.c char.c const.c csh.c dir.c dol.c err.c exec.c exp.c file.c \
 	func.c glob.c hist.c init.c lex.c misc.c parse.c printf.c proc.c \
-	sem.c set.c str.c time.c const.h err.h
+	sem.c set.c str.c time.c const.h errnum.h
 .PATH:	${.CURDIR}/../../usr.bin/printf
 
 MAN1=	csh.1
@@ -19,17 +19,17 @@ MLINKS=	csh.1 limit.1 csh.1 alias.1 csh.1 bg.1 csh.1 dirs.1 csh.1 fg.1 \
 	csh.1 foreach.1 csh.1 history.1 csh.1 jobs.1 csh.1 popd.1 \
 	csh.1 pushd.1 csh.1 rehash.1 csh.1 repeat.1 csh.1 suspend.1 \
 	csh.1 stop.1 csh.1 source.1
-CLEANFILES+=err.h const.h
+CLEANFILES+=const.h errnum.h
 
-const.h: err.h
+const.h: errnum.h
 
-err.h: err.c
-	@rm -f $@
-	@echo '/* Do not edit this file, make creates it. */' > $@
-	@echo '#ifndef _h_sh_err' >> $@
-	@echo '#define _h_sh_err' >> $@
-	egrep 'ERR_' ${.CURDIR}/$*.c | egrep '^#define' >> $@
-	@echo '#endif /* _h_sh_err */' >> $@
+errnum.h: err.c
+	@rm -f ${.TARGET}
+	@echo '/* Do not edit this file, make creates it. */' > ${.TARGET}
+	@echo '#ifndef _h_sh_error' >> ${.TARGET}
+	@echo '#define _h_sh_error' >> ${.TARGET}
+	egrep 'ERR_' ${.ALLSRC} | egrep '^#define' >> ${.TARGET}
+	@echo '#endif /* _h_sh_error */' >> ${.TARGET}
 
 const.h: const.c
 	@rm -f $@