Index: libofa-0.9.3/examples/uselame.cpp
===================================================================
--- libofa-0.9.3.orig/examples/uselame.cpp
+++ libofa-0.9.3/examples/uselame.cpp
@@ -7,6 +7,7 @@
 
 -------------------------------------------------------------------*/
 #include <cstring>
+#include <unistd.h>
 #include "protocol.h"
 #ifdef WIN32
 #include "windows.h"
Index: libofa-0.9.3/examples/wavefile.cpp
===================================================================
--- libofa-0.9.3.orig/examples/wavefile.cpp
+++ libofa-0.9.3/examples/wavefile.cpp
@@ -6,6 +6,7 @@
    No rights reserved.
 
 -------------------------------------------------------------------*/
+#include <unistd.h>
 #include "protocol.h"
 #ifdef WIN32
 #include "io.h"