oemtoucs
if ((count = oemtoucs(dst, src, length, OEM_CPG_1252)) == 0) {
(void) oemtoucs(unicode_src_name, (char *)datagram->src.name,
(void) oemtoucs(wbuf, client_name, SMB_PI_MAX_HOST, OEM_CPG_850);
size_t oemtoucs(smb_wchar_t *, const char *, size_t, uint32_t);