structure comparison functions
diff --git a/skeletons/PrintableString.c b/skeletons/PrintableString.c
index 4085aed..5e0e4b7 100644
--- a/skeletons/PrintableString.c
+++ b/skeletons/PrintableString.c
@@ -52,6 +52,7 @@
 	"PrintableString",
 	OCTET_STRING_free,
 	OCTET_STRING_print_utf8,	/* ASCII subset */
+	OCTET_STRING_compare,
 	PrintableString_constraint,
 	OCTET_STRING_decode_ber,      /* Implemented in terms of OCTET STRING */
 	OCTET_STRING_encode_der,