--- src/playout.c~	Fri Feb  4 14:19:30 2005
+++ src/playout.c	Thu Jun 23 15:35:06 2005
@@ -37,6 +37,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <sys/types.h>
 
 #include "spandsp/telephony.h"
 #include "spandsp/playout.h"