units WARNS6 cleanup

[Larry Lansing]

Index: Makefile
===================================================================
RCS file: /home/dcvs/src/usr.bin/units/Makefile,v
retrieving revision 1.2
diff -u -r1.2 Makefile
--- Makefile	17 Jun 2003 04:29:33 -0000	1.2
+++ Makefile	17 Jan 2005 07:09:26 -0000
@@ -2,6 +2,7 @@
 # $DragonFly: src/usr.bin/units/Makefile,v 1.2 2003/06/17 04:29:33 dillon Exp $
 
 PROG=	units
+WARNS?=	6
 FILES=	units.lib
 FILESDIR=	${SHAREDIR}/misc
 
Index: units.c
===================================================================
RCS file: /home/dcvs/src/usr.bin/units/units.c,v
retrieving revision 1.2
diff -u -r1.2 units.c
--- units.c	17 Jun 2003 04:29:33 -0000	1.2
+++ units.c	17 Jan 2005 07:17:04 -0000
@@ -71,6 +71,26 @@
 int prefixcount;
 
 
+int	 addsubunit(char *[], char *);
+int	 addunit(struct unittype *, char *, int);
+void	 cancelunit(struct unittype *);
+int	 compare(const void *, const void *);
+int	 compareproducts(char **, char **);
+int	 compareunits(struct unittype *, struct unittype *);
+int	 completereduce(struct unittype *);
+char	*dupstr(const char *);
+void	 initializeunit(struct unittype *);
+char	*lookupunit(const char *);
+void	 readunits(const char *);
+int	 reduceproduct(struct unittype *, int);
+int	 reduceunit(struct unittype *);
+void	 showanswer(struct unittype *, struct unittype *);
+void	 showunit(struct unittype *);
+void	 sortunit(struct unittype *);
+void	 usage(void);
+void	 zeroerror(void);
+
+
 char *
 dupstr(const char *str)
 {