diff -ur sndpeek-1.3.orig/src/sndpeek/RtAudio.cpp sndpeek-1.3/src/sndpeek/RtAudio.cpp
--- sndpeek-1.3.orig/src/sndpeek/RtAudio.cpp	2006-01-14 01:38:54.000000000 +0200
+++ sndpeek-1.3/src/sndpeek/RtAudio.cpp	2009-06-06 10:58:48.000000000 +0300
@@ -40,6 +40,7 @@
 // RtAudio: Version 3.0.1, 22 March 2004
 
 #include "RtAudio.h"
+#include <cstdio>
 #include <iostream>
 
 // Static variable definitions.