From b46c49228497cb440467167bad3123c327bd620f Mon Sep 17 00:00:00 2001
From: Steve Lee <me@xiangyangli.com>
Date: Tue, 17 Oct 2017 00:12:32 +0800
Subject: add

---
 data_structures/chapter_3/linked_list.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 data_structures/chapter_3/linked_list.h

(limited to 'data_structures/chapter_3/linked_list.h')

diff --git a/data_structures/chapter_3/linked_list.h b/data_structures/chapter_3/linked_list.h
new file mode 100644
index 0000000..ecd9040
--- /dev/null
+++ b/data_structures/chapter_3/linked_list.h
@@ -0,0 +1,23 @@
+#ifndef _LIST_H
+
+struct node;
+typedef struct node *node_ptr;
+typedef node_ptr list;
+typedef node_ptr position;
+
+/* elem to int */
+typedef int elem;
+
+list make_empty(list header);
+int is_empty(list header);
+int is_last(position p, list header);
+position find(elem x, list header);
+void delete(elem x, list header);
+position find_previous(elem x, list header);
+void insert(elem x, list header, position p);
+void delete_list(list header);
+position header(list header);
+position first(list header);
+position advance(position p);
+
+#endif    /* _LIST_H */
-- 
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