rt-thread-official/examples/libc/env.c

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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
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*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-11-17 Bernard first version
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*/
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#include <stdio.h>
#include <stdlib.h>
#include <finsh.h>
int libc_env()
{
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printf("PATH=%s\n", getenv("PATH"));
putenv("foo=bar");
printf("foo=%s\n", getenv("foo"));
return 0;
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}
FINSH_FUNCTION_EXPORT(libc_env, get/set_env test);