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diff --git a/src/tokenizer.h b/src/tokenizer.h
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+++ b/src/tokenizer.h
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+/*
+ * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_TOKENIZER_H
+#define MPD_TOKENIZER_H
+
+#include <glib.h>
+
+/**
+ * Reads the next word from the input string.  This function modifies
+ * the input string.
+ *
+ * @param input_p the input string; this function returns a pointer to
+ * the first non-whitespace character of the following token
+ * @param error_r if this function returns NULL and **input_p!=0, it
+ * optionally provides a GError object in this argument
+ * @return a pointer to the null-terminated word, or NULL on error or
+ * end of line
+ */
+char *
+tokenizer_next_word(char **input_p, GError **error_r);
+
+/**
+ * Reads the next unquoted word from the input string.  This function
+ * modifies the input string.
+ *
+ * @param input_p the input string; this function returns a pointer to
+ * the first non-whitespace character of the following token
+ * @param error_r if this function returns NULL and **input_p!=0, it
+ * optionally provides a GError object in this argument
+ * @return a pointer to the null-terminated word, or NULL on error or
+ * end of line
+ */
+char *
+tokenizer_next_unquoted(char **input_p, GError **error_r);
+
+/**
+ * Reads the next quoted string from the input string.  A backslash
+ * escapes the following character.  This function modifies the input
+ * string.
+ *
+ * @param input_p the input string; this function returns a pointer to
+ * the first non-whitespace character of the following token
+ * @param error_r if this function returns NULL and **input_p!=0, it
+ * optionally provides a GError object in this argument
+ * @return a pointer to the null-terminated string, or NULL on error
+ * or end of line
+ */
+char *
+tokenizer_next_string(char **input_p, GError **error_r);
+
+/**
+ * Reads the next unquoted word or quoted string from the input.  This
+ * is a wrapper for tokenizer_next_unquoted() and
+ * tokenizer_next_string().
+ *
+ * @param input_p the input string; this function returns a pointer to
+ * the first non-whitespace character of the following token
+ * @param error_r if this function returns NULL and **input_p!=0, it
+ * optionally provides a GError object in this argument
+ * @return a pointer to the null-terminated string, or NULL on error
+ * or end of line
+ */
+char *
+tokenizer_next_param(char **input_p, GError **error_r);
+
+#endif