// otra funcion...
char copy[64];
strncpy(copy, getClipboard(), 63); // Crash
// code...

char *getClipboard()
{
	char *strData;

	if(OpenClipboard(NULL))
	{
		HANDLE hClipboardData = GetClipboardData(CF_TEXT);
		if(hClipboardData != nullptr)
		{
			char *pchData = static_cast<char*>(GlobalLock(hClipboardData));
			if(pchData != nullptr)
				strData = pchData;
			else strData = "\0";

			GlobalUnlock(hClipboardData);
		}
		else strData = "\0";

		CloseClipboard();
	}
	return strData;
}