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std::wcsncat(3) C++ Standard Libary std::wcsncat(3) NAME std::wcsncat - std::wcsncat Synopsis Defined in header <cwchar> wchar_t *wcsncat( wchar_t *dest, const wchar_t *src, std::size_t count ); Appends at most count wide characters from the wide string pointed to by src to the end of the character string pointed to by dest, stopping if the null terminator is copied. The wide character src[0] replaces the null terminator at the end of dest. The null terminator is always appended in the end (so the maximum number of wide characters the function may write is count+1). The behavior is undefined if the destination array is not large enough for the contents of both str and dest and the terminating null wide charac- ter. The behavior is undefined if the strings overlap. Parameters dest - pointer to the null-terminated wide string to append to src - pointer to the null-terminated wide string to copy from count - maximum number of wide characters to copy Return value dest Example // Run this code #include <cwchar> #include <iostream> #include <clocale> int main(void) { wchar_t str[50] = L", ."; std::wcsncat(str, L" ", 1); std::wcsncat(str, L" .", 8); // only append the first 8 wide chars std::setlocale(LC_ALL, "en_US.utf8"); std::wcout.imbue(std::locale("en_US.utf8")); std::wcout << str << '\n'; } Possible output: , . See also wcscat appends a copy of one wide string to another (function) strncat concatenates a certain amount of characters of two strings (function) wcscpy copies one wide string to another (function) http://cppreference.com 2022.07.31 std::wcsncat(3)
NAME | Synopsis | Parameters | Return value | Example | Possible output: | See also
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