Some more refactores, added articles functionality to web server

include/articles_op/article.h

@@ -26,4 +26,7 @@ typedef struct
 
 #endif
 
+int list_articles(article_info **articles);
+long get_article_contents(article_info *article);
+
 #endif

include/articles_op/html.h

@@ -0,0 +1,23 @@
+#ifndef _HTML_H
+#define _HTML_H
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifndef _ARTICLE_INFO
+#define _ARTICLE_INFO
+
+typedef struct
+{
+    char *title;
+    long time;
+    char *content;
+    unsigned long length;
+} article_info;
+#endif
+
+int gen_html_article(article_info article, char **out);
+int gen_html_article_list(article_info *articles, int n, char **out);
+
+#endif