I just meant iostream. std::strings work fine with cstdio via std::string::c_str(). (e.g. printf("%s\n", some_string.c_str() works fine). That said, I tend to

I just meant iostream. std::strings work fine with cstdio via std::string::c_str(). (e.g. printf("%s\n", some_string.c_str() works fine). That said, I tend to avoid std::string as well, due to other performance issues (you tend to have a lot of copies and lots of heap allocations you don't really need). That said, I work in game development, and don't have to do much string processing, and someone in another domain might find this more painful than I do.