OBJECTS = main.o io.o data.o
PROG = project1

all: $(PROG)

$(PROG): $(OBJECTS)
	gcc -o $(PROG) $(OBJECTS)

main.o: main.c data.h io.h
	gcc -c main.c

data.o: data.c data.h
	gcc -c data.c

io.o: io.c io.h
	gcc -c io.c

clean:
	rm -f $(OBJECTS) $(PROG)