How to list all environment variables in a c/c++ app

Question

I know that when programming in c++ I can access individual environment variables with getenv.

I also know that, in the os x terminal, I can list ALL of the current

Answer 1

Whoops, I forgot that system lets you execute terminal commands.

This snippet gives me what I need:

std::cout << "List of environment variables: << std::endl;
system("env");