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-rw-r--r--src/lib9/9proc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib9/9proc.h b/src/lib9/9proc.h
index 1f471b6f..0eb5f410 100644
--- a/src/lib9/9proc.h
+++ b/src/lib9/9proc.h
@@ -1,3 +1,6 @@
+#ifndef _9PROC_H_
+#define _9PROC_H_ 1
+
enum
{
NPRIV = 16,
@@ -20,3 +23,4 @@ extern Uproc *_p9uproc(int);
extern void _p9uprocdie(void);
extern void _clearuproc(void);
+#endif