config_set_parent(builtin, 0);
config_set_parent(common, builtin);
config_set_parent(env, 0);
config_set_parent(builtin, 0);
config_set_parent(common, builtin);
config_set_parent(env, 0);
config_read_env(&config, env);
config_set_var(&config, builtin, CF_LITERAL,
config_read_env(&config, env);
config_set_var(&config, builtin, CF_LITERAL,