--- linux/include/linux/serial.h.orig	Tue May  2 21:14:56 2000
+++ linux/include/linux/serial.h	Fri May  5 18:28:14 2000
@@ -12,15 +12,16 @@
 
 #include <asm/page.h>
 
+#ifdef __KERNEL__
 /*
  * Counters of the input lines (CTS, DSR, RI, CD) interrupts
  */
-
 struct async_icount {
 	__u32	cts, dsr, rng, dcd, tx, rx;
 	__u32	frame, parity, overrun, brk;
 	__u32	buf_overrun;
 };
+#endif
 
 /*
  * The size of the serial xmit buffer is 1 page, or 4096 bytes