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-rw-r--r--include/string.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/string.h b/include/string.h
index 1ee7ced249..d83a56e053 100644
--- a/include/string.h
+++ b/include/string.h
@@ -1,3 +1,4 @@
+#ifndef _STRING_H
 #include <string/string.h>
 
 /* Now define the internal interfaces.  */
@@ -6,3 +7,4 @@ extern __ptr_t __memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
 extern size_t __strnlen __P ((__const char *__string, size_t __maxlen));
 extern char *__strsep __P ((char **__stringp, __const char *__delim));
 extern int __strverscmp __P ((__const char *__s1, __const char *__s2));
+#endif