ASN_LONG_LEN
buf[0] = (uchar_t)(ASN_LONG_LEN | 0x02);
if ((buf[0] & ASN_LONG_LEN) == 0) {
if (buf[0] == (uchar_t)ASN_LONG_LEN)
n_length_octets = buf[0] & ~ASN_LONG_LEN;
buf[1] = (uchar_t)(ASN_LONG_LEN | 0x02); /* following 2 octets */
buf[0] = (uchar_t)(ASN_LONG_LEN | 0x01);