529 typedef struct iic {  struct
530 	ushort	iic_rbase;	/* Rx Buffer descriptor base address */  argument
531 	ushort	iic_tbase;	/* Tx Buffer descriptor base address */  argument
532 	u_char	iic_rfcr;	/* Rx function code */  argument
533 	u_char	iic_tfcr;	/* Tx function code */  argument
534 	ushort	iic_mrblr;	/* Max receive buffer length */  argument
535 	uint	iic_rstate;	/* Internal */  argument
536 	uint	iic_rdp;	/* Internal */  argument
537 	ushort	iic_rbptr;	/* Internal */  argument
538 	ushort	iic_rbc;	/* Internal */  argument
539 	uint	iic_rxtmp;	/* Internal */  argument
540 	uint	iic_tstate;	/* Internal */  argument
541 	uint	iic_tdp;	/* Internal */  argument
542 	ushort	iic_tbptr;	/* Internal */  argument
543 	ushort	iic_tbc;	/* Internal */  argument
544 	uint	iic_txtmp;	/* Internal */  argument
545 	uint	iic_res;	/* reserved */  argument
546 	ushort	iic_rpbase;	/* Relocation pointer */  argument
547 	ushort	iic_res2;	/* reserved */  argument