std::wcsncat

std::wcsncat

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