diff -ru stunnel-3.26/pty.c stunnel-3.26+iPhone/pty.c
--- stunnel-3.26/pty.c	2003-08-01 23:43:03.000000000 +0000
+++ stunnel-3.26+iPhone/pty.c	2008-04-04 18:33:41.000000000 +0000
@@ -54,6 +54,8 @@
 #define O_NOCTTY 0
 #endif /* O_NOCTTY */
 
+#include <OSServices/OpenTransportProtocol.h>
+
 /*
  * Allocates and opens a pty.  Returns -1 if no pty could be allocated, or
  * zero if a pty was successfully allocated.  On success, open file