Index: Programs/serial.c
--- Programs/serial.c.orig
+++ Programs/serial.c
@@ -192,6 +192,17 @@ serialInitializeAttributes (struct termios *attributes
 #ifdef IEXTEN
   attributes->c_lflag = IEXTEN;
 #endif /* IEXTEN */
+
+#ifdef _POSIX_VDISABLE
+  if (_POSIX_VDISABLE) {
+    int i;
+    for (i=0; i<NCCS; ++i) {
+      if (i == VTIME) continue;
+      if (i == VMIN) continue;
+      attributes->c_cc[i] = _POSIX_VDISABLE;
+    }
+  }
+#endif /* _POSIX_VDISABLE */
 }
 
 static int