don't pass argc in getopt32, it's superfluous
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
text data bss dec hex filename
773469 1058 11092 785619 bfcd3 busybox_old
772644 1058 11092 784794 bf99a busybox_unstripped
diff --git a/util-linux/losetup.c b/util-linux/losetup.c
index e2d4e4d..9409cdf 100644
--- a/util-linux/losetup.c
+++ b/util-linux/losetup.c
@@ -18,7 +18,7 @@
char *opt_o;
unsigned long long offset = 0;
- opt = getopt32(argc, argv, "do:", &opt_o);
+ opt = getopt32(argv, "do:", &opt_o);
argc -= optind;
argv += optind;