putenv()
Prototype: int putenv(const char *asetting);
Header File: stdlib.h (C) or cstdlib (C++)
Explanation: Use putenv to modify the environmental settings for the program.
It should be used in the form: TYPE_OF_SETTING (such as PATH, DEVICE,
etc.)=WHAT_TO_SET_TO.
//Example sets the defined paths for the program to C:\
//Example then lists the paths
#include <iostream>
#include <cstdlib>
int main()
{
putenv("PATH=C:\");
cout<<getenv("PATH");
}
Other Functions