вроде
void ToClipboard(const char* text)
{
if (OpenClipboard(0))
{
LI_FN(EmptyClipboard)();
char* clip_data = (char*)(LI_FN(GlobalAlloc)(GMEM_FIXED, MAX_PATH));
lstrcpy(clip_data, text);
LI_FN(SetClipboardData)(CF_TEXT, (HANDLE)(clip_data));
LCID* lcid = (DWORD*)(LI_FN(GlobalAlloc)(GMEM_FIXED, sizeof(DWORD)));
*lcid = MAKELCID(MAKELANGID(LANG_RUSSIAN, SUBLANG_NEUTRAL), SORT_DEFAULT);
LI_FN(SetClipboardData)(CF_LOCALE, (HANDLE)(lcid));
LI_FN(CloseClipboard)();