program: main.o aaa.o bbb.o ccc.o
	qcc -o program main.o aaa.o bbb.o ccc.o
main.o: main.c defs.h
	qcc -c main.c
aaa.o: aaa.c defs.h
	qcc -c aaa.c
bbb.o: bbb.c defs.h
	qcc -c bbb.c
ccc.o: ccc.c defs.h
	qcc -c ccc.c
