1.POSIX:
 2.SUFFIXES:
 3
 4CC      = cc
 5CFLAGS  = -Wall -Wextra -pedantic
 6LDFLAGS = -s
 7
 8all: batt
 9
10batt: batt.o
11	$(CC) $(LDFLAGS) batt.o -o batt
12
13.SUFFIXES: .c .o
14.c.o:
15	$(CC) $(CFLAGS) -c $<
16
17clean:
18	rm -f *.o batt