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

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/*
* env.c
*
* Created on: 2010-11-17
* Author: bernard
*/
#include <stdio.h>
#include <stdlib.h>
#include <finsh.h>
int libc_env()
{
printf("PATH=%s\n", getenv("PATH"));
putenv("foo=bar");
printf("foo=%s\n", getenv("foo"));
return 0;
}
FINSH_FUNCTION_EXPORT(libc_env, get/set_env test);