add missing files not taken with github import

include/queue.h

@@ -0,0 +1,51 @@
+/*
+ * File:    queue.h
+ * Purpose: Implement a first in, first out linked list
+ *
+ * Notes:
+ */
+
+#ifndef _QUEUE_H_
+#define _QUEUE_H_
+
+/* 
+ * Individual queue node
+ */
+typedef struct NODE
+{
+    struct NODE *next;
+} QNODE;
+
+/* 
+ * Queue Struture - linked list of qentry items 
+ */
+typedef struct
+{
+    QNODE *head;
+    QNODE *tail;
+} QUEUE;
+
+/*
+ * Functions provided by queue.c
+ */
+void
+queue_init(QUEUE *);
+
+int
+queue_isempty(QUEUE *);
+
+void
+queue_add(QUEUE *, QNODE *);
+
+QNODE*
+queue_remove(QUEUE *);
+
+QNODE*
+queue_peek(QUEUE *);
+
+void
+queue_move(QUEUE *, QUEUE *);
+
+/********************************************************************/
+
+#endif /* _QUEUE_H_ */