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-rw-r--r--include/sys/ioctl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/ioctl.h b/include/sys/ioctl.h
index e07b08a64f..4d21030ed9 100644
--- a/include/sys/ioctl.h
+++ b/include/sys/ioctl.h
@@ -1,4 +1,6 @@
+#ifndef _SYS_IOCTL_H
 #include <misc/sys/ioctl.h>
 
 /* Now define the internal interfaces.  */
 extern int __ioctl __P ((int __fd, unsigned long int __request, ...));
+#endif