getopt_ulflags -> getopt32.
It is impossible to formulate sane ABI based on
size of ulong because it can be 32-bit or 64-bit.
Basically it means that you cannot portably use
more that 32 option chars in one call anyway...
Make it explicit.
diff --git a/miscutils/less.c b/miscutils/less.c
index bde2a45..63389dc 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -1102,7 +1102,7 @@
 
 	int keypress;
 
-	flags = bb_getopt_ulflags(argc, argv, "EMmN~");
+	flags = getopt32(argc, argv, "EMmN~");
 
 	argc -= optind;
 	argv += optind;