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//
union ip2breadcrumb
{
struct {
unsigned char port, cat, codes, label;
} __attribute__ ((packed)) hdr;
unsigned long value;
};
#define ITRC_NO_PORT 0xFF
#define CHANN (pCh->port_index)
#define ITRC_ERROR '!'
#define ITRC_INIT 'A'
#define ITRC_OPEN 'B'
#define ITRC_CLOSE 'C'
#define ITRC_DRAIN 'D'
#define ITRC_IOCTL 'E'
#define ITRC_FLUSH 'F'
#define ITRC_STATUS 'G'
#define ITRC_HANGUP 'H'
#define ITRC_INTR 'I'
#define ITRC_SFLOW 'J'
#define ITRC_SBCMD 'K'
#define ITRC_SICMD 'L'
#define ITRC_MODEM 'M'
#define ITRC_INPUT 'N'
#define ITRC_OUTPUT 'O'
#define ITRC_PUTC 'P'
#define ITRC_QUEUE 'Q'
#define ITRC_STFLW 'R'
#define ITRC_SFIFO 'S'
#define ITRC_VERIFY 'V'
#define ITRC_WRITE 'W'
#define ITRC_ENTER 0x00
#define ITRC_RETURN 0xFF
#define ITRC_QUEUE_ROOM 2
#define ITRC_QUEUE_CMD 6
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