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-rw-r--r--include/grp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/grp.h b/include/grp.h
index ddde842fe6..14be78cf00 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -1,3 +1,4 @@
+#ifndef _GRP_H
 #include <grp/grp.h>
 
 /* Now define the internal interfaces.  */
@@ -6,3 +7,4 @@ extern int __getgrent_r __P ((struct group *__resultbuf, char *buffer,
 extern int __fgetgrent_r __P ((FILE * __stream, struct group *__resultbuf,
 			       char *buffer, size_t __buflen,
 			       struct group **__result));
+#endif