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RocketLink!--> Man page versions:
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curs_print(3) curs_print(3)
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 typically
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 associated 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 char-
acters actually sent to the printer.
PORTABILITY
The mcprint call was designed for ncurses, 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(3)
1
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts Institute of Technology, Free Software Foundation, FreeBSD Inc., and others. |
(Corrections, notes, and links courtesy of RocketAware.com)
OpenBSD sources for curs_print(3)
Up to: Curses - Curses (Library for text display interfaces)
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