be a bit more tolerant about external definitions

lang/cem/cemcom.ansi/decspecs.h

@@ -0,0 +1,21 @@
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+/* $Header$ */
+/* DECLARATION SPECIFIER DEFINITION */
+
+struct decspecs	{
+	struct decspecs *next;
+	struct type *ds_type;	/* single type */
+	int ds_notypegiven;	/* set if type not given explicitly */
+	int ds_typedef;		/* 1 if type was a user typedef */
+	int ds_sc_given;	/* 1 if the st. class is explicitly given */
+	int ds_sc;		/* storage class, given or implied */
+	int ds_size;		/* LONG, SHORT or 0 */
+	int ds_unsigned;	/* SIGNED, UNSIGNED or 0 */
+	int ds_typequal;	/* type qualifiers - see type.str */
+};
+
+extern struct type *qualifier_type();
+extern struct decspecs null_decspecs;