CFLAGS = -O
I = /usr/include

c2:             c20.o c21.o
	cc c20.o c21.o -n -o c2

c20.o:		c20.c		c2.h $I/stdio.h $I/ctype.h \
				$I/sys/types.h $I/ctype.h 
c21.o:		c21.c		c2.h $I/stdio.h $I/ctype.h 

/lib/c2:        c2
	cp /lib/c2 old_c2
	/etc/instcmd -m 1775 c2 /lib/c2
