1 files changed, 18 insertions, 0 deletions
diff --git a/6.3/tree.h b/6.3/tree.h
new file mode 100644
index 0000000..c6ebc53
--- /dev/null
+++ b/6.3/tree.h
@@ -0,0 +1,18 @@
+#ifndef TREE_H
+
+#define MAXLINES 1000
+
+struct tnode {
+	char *word;
+	int lc;
+	int lines[MAXLINES];
+	struct tnode *left;
+	struct tnode *right;
+};
+
+#define TREE_H
+#endif
+
+struct tnode *addtree(struct tnode *p, char *w, int line);
+void tprint(struct tnode *p);
+void tfree(struct tnode *p);