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-rw-r--r--string/string.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/string/string.h b/string/string.h
index 905eb7e3c9..4bd8483d16 100644
--- a/string/string.h
+++ b/string/string.h
@@ -157,7 +157,7 @@ extern char *strerror __P ((int __errnum));
#ifdef __USE_REENTRANT
/* Reentrant version of `strerror'. If a temporary buffer is required, at
most BUFLEN bytes of BUF will be used. */
-extern char *strerror_r __P ((int __errnum, char *__buf, int __buflen));
+extern char *strerror_r __P ((int __errnum, char *__buf, size_t __buflen));
#endif
#ifdef __USE_BSD