Move library tree where it belongs

lib-src/libnyquist/nyquist/nyqsrc/cque.h

@@ -0,0 +1,25 @@
+/* 
+ * cque.h
+ * macros for free lists.
+ */
+
+typedef struct cque {
+    struct cque	*qnext;
+} CQUE;
+
+#define	Qinit(q1)	{ (q1) = 0; }
+
+/* q1 points to a stack CQUE*, new is an element to insert */
+#define Qenter(q1,new)  {   \
+    ((CQUE *)(new))->qnext = ((CQUE *)(q1)); \
+    q1 = ((CQUE *)(new)); }
+
+
+/* q1 points to a list of CQUE*: remove elt and assign to new */
+/* NOTE: q1 must be non-empty */
+#define Qget(q1,newtype,new) {  \
+    (new) = (newtype)(q1);  \
+    q1 = ((CQUE *)(q1))->qnext; }
+
+
+#define	Qempty(q1)	((q1) == 0)