new WITH SYNTAX clause parsing

diff --git a/libasn1fix/asn1fix_cws.c b/libasn1fix/asn1fix_cws.c
index 6a8abf9..a605c24 100644
--- a/libasn1fix/asn1fix_cws.c
+++ b/libasn1fix/asn1fix_cws.c
@@ -1,2 +1,15 @@
 #include "asn1fix_internal.h"
 #include "asn1fix_cws.h"
+
+int
+asn1f_parse_class_with_syntax(arg_t *arg) {
+	asn1p_expr_t *expr = arg->expr;
+
+	if(expr->expr_type != A1TC_CLASSDEF
+	|| expr->with_syntax == NULL)
+		return 0;
+
+	DEBUG("Class %s: checking WITH SYNTAX", expr->Identifier);
+
+	return 0;
+}