RE: [C400-L] practical use of main() third parameter

["Hall, Philip" <phall@xxxxxxxx>]

Gene,

> What coding benefit does the main() third parameter of environment
> variables have over just plain getenv()?

Sometimes when you invoke/spawn/create a (new) process from within your code, 
you want to give this new process a different/dynamic/smaller set of 
environment vars than that of the parent process. This third parameter allows 
just that.

--phil