provides the interface to any of the standard
When it is opened or closed, a suitable number
of page ejects is generated.
Bytes written are printed.
An internal parameter within the driver determines
whether or not the device is treated as having
a 96- or 64-character set.
In half-ASCII mode, lower case letters are turned
and certain characters are escaped according to
The driver correctly interprets
carriage returns, backspaces, tabs, and form feeds.
A sequence of newlines which extends over the end of
a page is turned into a form feed.
All lines are indented 8 characters.
Lines longer than 80 characters are truncated.
These numbers are parameters in the driver;
another parameter allows indenting all printout
if it is unpleasantly near the left margin.
Half-ASCII mode, the indent and the maximum line length should
be settable by a call analogous to