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std::wmemmove(3) C++ Standard Libary std::wmemmove(3) NAME std::wmemmove - std::wmemmove Synopsis Defined in header <cwchar> wchar_t* wmemmove( wchar_t* dest, const wchar_t* src, std::size_t count ); Copies exactly count successive wide characters from the wide char- acter array pointed to by src to the wide character array pointed to by dest. If count is zero, the function does nothing. The arrays may overlap: copying takes place as if the wide charac- ters were copied to a temporary wide character array and then copied from the temporary array to dest. Parameters dest - pointer to the wide character array to copy to src - pointer to the wide character array to copy from count - number of wide characters to copy Return value Returns a copy of dest Notes This function is not locale-sensitive and pays no attention to the values of the wchar_t objects it copies: nulls as well as invalid characters are copied too. Example // Run this code #include <iostream> #include <cwchar> #include <locale> #include <clocale> int main() { std::setlocale(LC_ALL, "en_US.utf8"); std::wcout.imbue(std::locale("en_US.utf8")); wchar_t str[] = L""; std::wcout << str << '\n'; std::wmemmove(str+4, str+3, 3); // copy from [] to [] std::wcout << str << '\n'; } Possible output: See also copies a certain amount of wide characters between two non-overlapping wmemcpy arrays (function) memmove moves one buffer to another (function) copy copies a range of elements to a new location copy_if (function template) (C++11) copy_backward copies a range of elements in backwards order (function template) http://cppreference.com 2022.07.31 std::wmemmove(3)
NAME | Synopsis | Parameters | Return value | Notes | Example | Possible output: | See also
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