diff --git a/libc/include/sys/ioctl.h b/libc/include/sys/ioctl.h
index a1014dc..ed261f2 100644
--- a/libc/include/sys/ioctl.h
+++ b/libc/include/sys/ioctl.h
@@ -40,10 +40,6 @@
 #include <sys/ioctl_compat.h>
 #include <linux/tty.h>
 
-__BEGIN_DECLS
-
-extern int ioctl(int, int, ...);
-
-__END_DECLS
+#include <bits/ioctl.h>
 
 #endif /* _SYS_IOCTL_H_ */