cp if1.c outfile.c
chmod 640 outfile.c
ls -l outfile.c | cut -d' ' -f1 1>&2
unifdef -DFOO=1 -DFOOB=42 -UBAR -m outfile.c
e=$?
case ${BUILD_MINGW} in
(yes)	printf '%s\n' '-rw-r-----' 1>&2 ;;
(*)	ls -l outfile.c | cut -d' ' -f1 1>&2 ;;
esac
cat outfile.c
rm outfile.c
exit $e