#include <iostream>
#include <string>
#include <cstdlib>
#include <map>


static std::pair<std::string, std::string>
get_env(const std::string &key, const std::string &def) {
    const char *val = std::getenv(key.c_str());
    return {key, val ? std::string(val) : def};
}


static std::map<std::string, std::string>
get_environ() {
    return std::map<std::string, std::string> {
        get_env("DISTCC_VERBOSE", "1")
    };
}


int
main(int argc, char **argv) {
    std::cout << "Hello world\n";

    auto ret = get_environ();

    for (auto &x: ret) {
        std::cout << x.first << ',' << x.second << '\n';
    }

    return 0;
}