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-rw-r--r--components/libc/compilers/newlib/libc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/components/libc/compilers/newlib/libc.c b/components/libc/compilers/newlib/libc.c
index 2234c36f98..9834a9a015 100644
--- a/components/libc/compilers/newlib/libc.c
+++ b/components/libc/compilers/newlib/libc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -19,7 +19,7 @@
#include <pthread.h>
#endif
-int _EXFUN(putenv,(char *__string));
+int _EXFUN(putenv,(char *__string));
int libc_system_init(void)
{