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-rw-r--r--include/errno.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/errno.h b/include/errno.h
index e24a33b..14ac3cb 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -6,4 +6,7 @@ extern int errno;
#define __set_errno(val) do { errno = val; } while (0)
+#ifdef CONFIG_ERRNO_STR
+const char *errno_str(int errno);
+#endif
#endif /* _ERRNO_H */