(len); std::wcsrtombs(&mbstr[0], &wstr, mbstr.size(), &state); std::cout << "multibyte string: " << &mbstr[0] << '\n' << "Length, including '\\0': " << mbstr.size() << '\n'; } int main() { std::setlocale(LC_ALL, "en_US.utf8"); // UTF-8 窄多字节...
#include <clocale> #include <string> #include <cwchar> void print_wide(const wchar_t* wstr) { std::mbstate_t state = std::mbstate_t(); std::size_t len = 1 + std::wcsrtombs(nullptr, &wstr, 0, &state); std::vector<char> mbstr(len); std::wcsrtombs(&mbstr[0], &wstr, ...
#include <iostream> #include <string> #include <vector> void print_wide(const wchar_t* wstr) { std::mbstate_t state = std::mbstate_t(); std::size_t len = 1 + std::wcsrtombs(nullptr, &wstr, 0, &state); std::vector<char> mbstr(len); std::wcsrtombs(&mbstr[0], &wstr, ...
#include <iostream> #include <string> #include <vector> void print_wide(const wchar_t* wstr) { std::mbstate_t state = std::mbstate_t(); std::size_t len = 1 + std::wcsrtombs(nullptr, &wstr, 0, &state); std::vector<char> mbstr(len); std::wcsrtombs(&mbstr[0], &wstr, ...