Can somebody translate this to coldfusion?

[Rick T]

#define STX         0x02
#define ETX         0x03

short int calculate_lrc(char *packet)
{
    char *lrc_ptr;
    short int lrc = 0;

    lrc_ptr = packet;

    if( ! (lrc_ptr = strchr (lrc_ptr, STX )) )
        return (-1);

    ++lrc_ptr;

    do {

        lrc ^= *lrc_ptr++;

    } while (*lrc_ptr != ETX);

    lrc ^= *lrc_ptr;

    return lrc;
 
} 

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