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-rw-r--r--libc/stdio/fileext.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/stdio/fileext.h b/libc/stdio/fileext.h
index fa6fed671..1f2a3a31e 100644
--- a/libc/stdio/fileext.h
+++ b/libc/stdio/fileext.h
@@ -29,6 +29,9 @@
* $Citrus$
*/
+#ifndef _FILEEXT_H_
+#define _FILEEXT_H_
+
#include <pthread.h>
/*
@@ -59,3 +62,5 @@ do { \
(f)->_ext._base = (unsigned char *)(fext); \
_FILEEXT_INIT(f); \
} while (0)
+
+#endif /* _FILEEXT_H_ */