---
 sys/sys/ioccom.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sys/sys/ioccom.h
+++ b/sys/sys/ioccom.h
@@ -72,7 +72,7 @@
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS
-int	ioctl(int, unsigned long, ...);
+extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
 __END_DECLS
 
 #endif
