--- Libc/Libc-1725.40.4/emulated/tcgetsid.c
+++ Libc/Libc-391/emulated/tcgetsid.c
@@ -24,9 +24,9 @@
 /*
  * tcgetsid.c
  */
+#define COMPAT_43_TTY		1
 #include <sys/ioctl.h>
 #include <termios.h>
-#include <sys/ioctl_compat.h>	/* ordering avoid termios.h redeclarations */
 
 pid_t
 tcgetsid(int fildes)