centos man page for read_zsdata

READ_ZSDATA(9)							Internal Functions						    READ_ZSDATA(9)

NAME
       read_zsdata - Read the data port of a Z8530 channel

SYNOPSIS
       u8 read_zsdata(struct z8530_channel * c);

ARGUMENTS
       c
	   The Z8530 channel to read the data port from

DESCRIPTION
       The data port provides fast access to some things. We still have all the 5uS delays to worry about.

AUTHOR
       Alan Cox <alan@lxorguk.ukuu.org.uk>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    READ_ZSDATA(9)