Create car-cdr.h to declare functions defined in car-cdr.c

Update files that depend on car-cdr functions to include car-cdr.h.
    Add dependencies to makefile.

	modified:   makefile-darwin.386-x
	modified:   makefile-init.386
	modified:   makefile-tail
	new file:   ../inc/car-cdr.h
	modified:   ../src/bbtsub.c
	modified:   ../src/car-cdr.c
	modified:   ../src/dsk.c
	modified:   ../src/gcarray.c
	modified:   ../src/gcrcell.c
	modified:   ../src/kprint.c
	modified:   ../src/loopsops.c
	modified:   ../src/lsthandl.c
	modified:   ../src/mvs.c
	modified:   ../src/storage.c
	modified:   ../src/sxhash.c
	modified:   ../src/vars3.c
	modified:   ../src/xc.c
	modified:   ../src/z2.c

src/bbtsub.c

@@ -72,6 +72,7 @@ static char *id = "$Id: bbtsub.c,v 1.3 2001/12/24 01:08:59 sybalsky Exp $ Copyri
 #include "arith.h"
 #include "stack.h"
 #include "cell.h"
+#include "car-cdr.h"
 #include "gc.h"
 #include "iopage.h"
 extern IOPAGE *IOPage68K;