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LibC: stdlib: Add clearenv() function

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Brendan Coles 2020-12-16 23:49:55 +00:00 committed by Andreas Kling
parent 3436317c08
commit 853664bd3c
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## Name
clearenv - clear the environment
## Synopsis
```**c++
#include <stdlib.h>
clearenv();
```
## Description
Clears all environment variables and sets the external
variable `environ` to NULL.
## Return value
The `clearenv()` function returns zero.
## Examples
```c++
#include <stdlib.h>
int main()
{
clearenv();
putenv("PATH=/bin");
return 0;
}
```