error: New error_printf() and error_vprintf()
diff --git a/qemu-error.h b/qemu-error.h
index fa16113..d90f1da 100644
--- a/qemu-error.h
+++ b/qemu-error.h
@@ -1,6 +1,20 @@
+/*
+ * Error reporting
+ *
+ * Copyright (C) 2010 Red Hat Inc.
+ *
+ * Authors:
+ *  Markus Armbruster <armbru@redhat.com>,
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
 #ifndef QEMU_ERROR_H
 #define QEMU_ERROR_H
 
+void error_vprintf(const char *fmt, va_list ap);
+void error_printf(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
 void qemu_error(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
 void qemu_error_internal(const char *file, int linenr, const char *func,
                          const char *fmt, ...)