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diff --git a/include/alsa/error.h b/include/alsa/error.h
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+++ b/include/alsa/error.h
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+/**
+ * \file include/error.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as
+ *   published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ *   License along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __ALSA_ERROR_H
+#define __ALSA_ERROR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  \defgroup Error Error handling
+ *  Error handling macros and functions.
+ *  \{
+ */
+
+#define SND_ERROR_BEGIN				500000			/**< Lower boundary of sound error codes. */
+#define SND_ERROR_INCOMPATIBLE_VERSION		(SND_ERROR_BEGIN+0)	/**< Kernel/library protocols are not compatible. */
+#define SND_ERROR_ALISP_NIL			(SND_ERROR_BEGIN+1)	/**< Lisp encountered an error during acall. */
+
+const char *snd_strerror(int errnum);
+
+/**
+ * \brief Error handler callback.
+ * \param file Source file name.
+ * \param line Line number.
+ * \param function Function name.
+ * \param err Value of \c errno, or 0 if not relevant.
+ * \param fmt \c printf(3) format.
+ * \param ... \c printf(3) arguments.
+ *
+ * A function of this type is called by the ALSA library when an error occurs.
+ * This function usually shows the message on the screen, and/or logs it.
+ */
+typedef void (*snd_lib_error_handler_t)(const char *file, int line, const char *function, int err, const char *fmt, ...) /* __attribute__ ((format (printf, 5, 6))) */;
+extern snd_lib_error_handler_t snd_lib_error;
+extern int snd_lib_error_set_handler(snd_lib_error_handler_t handler);
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95)
+#define SNDERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__) /**< Shows a sound error message. */
+#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */
+#else
+#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args) /**< Shows a sound error message. */
+#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< Shows a system error message (related to \c errno). */
+#endif
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+/** Local error handler function type */
+typedef void (*snd_local_error_handler_t)(const char *file, int line,
+					  const char *func, int err,
+					  const char *fmt, va_list arg);
+
+snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func);
+
+#endif /* __ALSA_ERROR_H */
+