问如何将ASCII控制字符音译为它们的UTF-8符号等效字？

EN

std::string ReplaceASCIIControlCharacters(std::string input)
{
    std::vector<uint8_t> output;
    output.reserve(input.length());
    for (char c : input) {
        if (c >= 0x00 && c <= 0x1F) {
            output.push_back(0xe2);
            output.push_back(0x90);
            output.push_back(0x80 + c);
        } else {
            output.push_back(c);
        }
    }

    return std::string(output.begin(), output.end());
}

std::string output;
output.reserve(input.length()); 
for (char c : input) { 
    if (c >= 0x00 && c <= 0x1F) {         
        output.append({0xe2, 0x90, 0x80 + c}); 
    } else { 
        output.push_back(c);
    } 
} 

return output;