43 int sab8253xc_read(struct file *filep, char *cptr, size_t cnt, loff_t *loffp)  in sab8253xc_read()  argument
47 	SAB_PORT *port = filep->private_data;  in sab8253xc_read()
62 		if(filep->f_flags & O_NONBLOCK)  in sab8253xc_read()
99 int sab8253xc_write(struct file *filep, const char *cptr, size_t cnt, loff_t *loffp)  in sab8253xc_write()  argument
103 	SAB_PORT *port = filep->private_data;  in sab8253xc_write()
123 		if(filep->f_flags & O_NONBLOCK)  in sab8253xc_write()
580 int sab8253xc_open(struct inode *inodep, struct file *filep)  in sab8253xc_open()  argument
666 	retval = sab8253x_block_til_readyC(filep, port);	/* need to wait for completion of callout */  in sab8253xc_open()
703 	filep->private_data = port;  in sab8253xc_open()
708 int sab8253xc_release(struct inode *inodep, struct file *filep)  in sab8253xc_release()  argument
710 	SAB_PORT *port = (SAB_PORT*) filep->private_data;  in sab8253xc_release()
723 	sab8253xc_fasync(-1, filep, 0);  in sab8253xc_release()