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-rw-r--r--newlib/libc/stdlib/envlock.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/envlock.h b/newlib/libc/stdlib/envlock.h
index df3a0ba58..9bb6a813e 100644
--- a/newlib/libc/stdlib/envlock.h
+++ b/newlib/libc/stdlib/envlock.h
@@ -9,4 +9,7 @@
#define ENV_LOCK __env_lock(reent_ptr)
#define ENV_UNLOCK __env_unlock(reent_ptr)
+void _EXFUN(__env_lock,(struct _reent *reent));
+void _EXFUN(__env_unlock,(struct _reent *reent));
+
#endif /* _INCLUDE_ENVLOCK_H_ */