631 typedef struct iic {  struct
632 	ushort	iic_rbase;	/* Rx Buffer descriptor base address */  argument
633 	ushort	iic_tbase;	/* Tx Buffer descriptor base address */  argument
634 	u_char	iic_rfcr;	/* Rx function code */  argument
635 	u_char	iic_tfcr;	/* Tx function code */  argument
636 	ushort	iic_mrblr;	/* Max receive buffer length */  argument
637 	uint	iic_rstate;	/* Internal */  argument
638 	uint	iic_rdp;	/* Internal */  argument
639 	ushort	iic_rbptr;	/* Internal */  argument
640 	ushort	iic_rbc;	/* Internal */  argument
641 	uint	iic_rxtmp;	/* Internal */  argument
642 	uint	iic_tstate;	/* Internal */  argument
643 	uint	iic_tdp;	/* Internal */  argument
644 	ushort	iic_tbptr;	/* Internal */  argument
645 	ushort	iic_tbc;	/* Internal */  argument
646 	uint	iic_txtmp;	/* Internal */  argument