======= ex ========== hello: warnx test1: Cannot allocate memory hello: errx test1: Cannot allocate memory $?=21 hello: warnx test2, six=6: Cannot allocate memory hello: errx test2, six=6: Cannot allocate memory $?=22 errx(3): invalid argv $?=94 hello: warn test1 hello: err test1 $?=11 hello: warn test2, five=5 hello: err test2, five=5 $?=12 err(3): invalid argv $?=93 ======= CLEANFILES ========== hello.o progname.o err.o warn.o ======= cleandir ==========