curs_print man page on Ultrix

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curs_print(3X)							curs_print(3X)

NAME
       mcprint - ship binary data to printer

SYNOPSIS
       #include <curses.h>

       int mcprint(char *data, int len);

DESCRIPTION
       This  function  uses  the mc5p or mc4 and mc5 capabilities, if they are
       present, to ship given data to a printer attached to the terminal.

       Note that the mcprint code has no way  to  do  flow  control  with  the
       printer	or  to	know  how  much buffering it has.  Your application is
       responsible for keeping the rate of writes to  the  printer  below  its
       continuous  throughput  rate  (typically	 about half of its nominal cps
       rating).	 Dot-matrix printers and 6-page-per-minute  lasers  can	 typi‐
       cally  handle  80cps,  so a good conservative rule of thumb is to sleep
       for a second after shipping each 80-character line.

RETURN VALUE
       The mcprint function returns ERR if the	write  operation  aborted  for
       some  reason.  In this case, errno will contain either an error associ‐
       ated with write(2) or one of the following:

       ENODEV
	    Capabilities for printer redirection don't exist.

       ENOMEM
	    Couldn't allocate sufficient memory to buffer the printer write.

	    When mcprint succeeds, it returns the number of  characters	 actu‐
	    ally sent to the printer.

PORTABILITY
       The mcprint call was designed for ncurses(3X), and is not found in SVr4
       curses, 4.4BSD curses, or any other previous version of curses.

BUGS
       Padding in the mc5p, mc4 and mc5 capabilities will not be interpreted.

SEE ALSO
       curses(3X)

								curs_print(3X)
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