1 files changed, 47 insertions, 0 deletions
diff --git a/lib/data.h b/lib/data.h
new file mode 100644
index 0000000..56edd34
--- /dev/null
+++ b/lib/data.h
@@ -0,0 +1,47 @@
+#pragma once
+#include <sqlite3.h>
+#include "list.h"
+
+/*
+ * This word into the dictionary
+ */
+typedef struct word {
+    int Id;
+    const unsigned char *Line;
+} Word;
+
+/*
+ * This is database connection.
+ */
+typedef struct data {
+    sqlite3 *db;
+} Data;
+
+
+/*
+ * create a new data struct from sqlite filename.
+ */
+Data* new_data(const char*);
+
+
+void free_data(Data*);
+
+/*
+ * Create the tables.
+ */
+void bootstrap(Data*);
+
+/*
+ * insert line into database.
+ */
+void insert(Data*, char*, int);
+
+/*
+ * Select all words.
+ */
+LIST* data_select(Data*, char*, int);
+
+/*
+ * Print result code from sqlite.
+ */
+void print_result_code(int error);