Clearenv

Base/usr/share/man/man3/clearenv.md

latest376 B

Name

clearenv - clear the environment

**c++

#include <stdlib.h>

clearenv();

Clears all environment variables and sets the external variable environ to NULL.

The clearenv() function returns zero.

c++

#include <stdlib.h>

int main()
{
    clearenv();
    putenv("PATH=/bin");

    return 0;
}