--- lbbs/include/str_process.h	2025/05/08 08:05:58	1.4
+++ lbbs/include/str_process.h	2025/11/04 14:58:55	1.14
@@ -1,26 +1,26 @@
-/***************************************************************************
-						  str_process.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.                                   *
- *                                                                         *
- ***************************************************************************/
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * str_process
+ *   - common string processing features with UTF-8 support
+ *
+ * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
+ */
 
 #ifndef _STR_PROCESS_H_
 #define _STR_PROCESS_H_
 
 #include <stdio.h>
 
-extern unsigned int split_line(const char *buffer, int max_len, int *p_eol, int *p_display_len);
+#define MAX_SPLIT_FILE_LINES 65536
 
-extern unsigned int split_file_lines(FILE *fin, int max_len, long *p_line_offsets, int max_line_cnt);
+extern int str_length(const char *str, int skip_ctrl_seq);
+
+extern int split_line(const char *buffer, int max_display_len, int *p_eol, int *p_display_len, int skip_ctrl_seq);
+
+// p_line_widths may be NULL. Otherwise, the widths of each line will be store into the pointed array
+extern long split_data_lines(const char *p_buf, int max_display_len, long *p_line_offsets, long line_offsets_count,
+							 int skip_ctrl_seq, int *p_line_widths);
+
+extern int str_filter(char *buffer, int skip_ctrl_seq);
 
 #endif //_STR_PROCESS_H_