#include <cassert>
#include <cstring>
#include <iostream>
#include <string>

int main() {
    const char raw[] = "ab\0cd";
    const std::string text(raw, sizeof(raw) - 1);
    assert(sizeof(raw) == 6);
    assert(std::strlen(raw) == 2);
    assert(text.size() == 5);
    assert(text[3] == 'c');
    std::cout << sizeof(raw) << ' ' << std::strlen(raw)
              << ' ' << text.size() << '\n';
}