34 lines
377 B
Markdown
34 lines
377 B
Markdown
## Name
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clearenv - clear the environment
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## Synopsis
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```**c++
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#include <stdlib.h>
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clearenv();
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```
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## Description
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Clears all environment variables and sets the external
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variable `environ` to NULL.
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## Return value
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The `clearenv()` function returns zero.
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## Examples
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```c++
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#include <stdlib.h>
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int main()
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{
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clearenv();
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putenv("PATH=/bin");
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return 0;
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}
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```
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