--- lbbs/include/common.h	2004/10/17 06:19:01	1.2
+++ lbbs/include/common.h	2025/05/03 06:24:54	1.18
@@ -1,3 +1,57 @@
-#include <stdio.h>
-#include <ctype.h>
+/***************************************************************************
+						  common.h  -  description
+							 -------------------
+	begin                : Mon Oct 18 2004
+	copyright            : (C) 2004 by Leaflet
+	email                : leaflet@leafok.com
+ ***************************************************************************/
 
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _COMMON_H_
+#define _COMMON_H_
+
+#include <stddef.h>
+
+#define LINE_BUFFER_LEN 1024
+#define FILE_PATH_LEN 1024
+#define MAX_FILE_LINES 65536
+
+// Version
+extern char app_version[256];
+
+// Enviroment
+extern char app_home_dir[256];
+extern char app_temp_dir[256];
+
+// Network
+extern int socket_server;
+extern int socket_client;
+extern char hostaddr_server[50];
+extern char hostaddr_client[50];
+extern int port_server;
+extern int port_client;
+
+// Signal
+#define SIG_RELOAD_MENU 0x22
+
+extern const char *str_space(char *string, int length);
+extern const char *get_time_str(char *string, size_t length);
+
+// Signal handler
+extern void reload_bbs_menu(int);
+extern void system_exit(int);
+extern void child_exit(int);
+
+// System
+extern int SYS_exit;
+extern int SYS_child_process_count;
+
+#endif //_COMMON_H_