--- lbbs/include/common.h	2004/10/17 06:19:01	1.2
+++ lbbs/include/common.h	2025/05/06 10:33:26	1.21
@@ -1,3 +1,69 @@
-#include <stdio.h>
-#include <ctype.h>
+/***************************************************************************
+						  common.h  -  description
+							 -------------------
+	Copyright            : (C) 2004-2025 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 3 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 4096
+#define MAX_FILE_LINES 65536
+
+// Version
+extern char app_version[256];
+
+// Enviroment
+#define CONF_BBSNET "conf/bbsnet.conf"
+
+#define LOG_FILE_INFO "log/bbsd.log"
+#define LOG_FILE_ERROR "log/error.log"
+
+#define DATA_WELCOME "data/welcome.txt"
+#define DATA_REGISTER "data/register.txt"
+#define DATA_GOODBYE "data/goodbye.txt"
+#define DATA_LICENSE "LICENSE"
+#define DATA_COPYRIGHT "data/copyright.txt"
+#define DATA_LOGIN_ERROR "data/login_error.txt"
+#define DATA_ACTIVE_BOARD "data/active_board.txt"
+#define DATA_READ_HELP "data/read_help.txt"
+
+#define VAR_MAX_USER_ONLINE "var/max_user_online.dat"
+
+// 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_