4BSD/usr/man/cat4/lp.4

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LP(4)               UNIX Programmer's Manual                LP(4)



NAME
     lp - line printer

DESCRIPTION
     _L_p provides the interface to any of the standard DEC line
     printers.  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 into
     upper case and certain characters are escaped according to
     the following table:

     {         -(
     }         -)
     `         -'
     |         -!
     ~         -^

     The driver correctly interprets carriage returns, back-
     spaces, tabs, and form feeds.  A sequence of newlines which
     extends over the end of a page is turned into a form feed.
     Lines longer than 80 characters are truncated (This is a
     parameter in the driver).  Another parameter allows indent-
     ing all printout if it is unpleasantly near the left margin.

FILES
     /dev/lp

SEE ALSO
     lpr(1)

BUGS
     Half-ASCII mode, the indent and the maximum line length
     should be settable by an _i_o_c_t_l(2).



















Printed 11/10/80                                                1