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curs_print(3x)

curs_print(3x)                   Library calls                  curs_print(3x)

NAME
       mcprint - write binary data to printer using terminfo capabilities

SYNOPSIS
       #include <ncursesw/curses.h>

       int mcprint(char * data, int len);

DESCRIPTION
       mcprint,  an  ncurses  extension to the curses library, uses the termi‐
       nal's prtr_non (mc5p) or prtr_on (mc5) and prtr_off  (mc4)  media  copy
       capabilities, if defined, to send len bytes of the given string data to
       a printer attached to the terminal.

       mcprint  has no means of flow control to the printer nor of knowing 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 characters-per-second (cps) rating.
       Dot-matrix  printers and 6-page-per-minute laser printers can typically
       handle 80 cps, so a conservative rule of thumb is to sleep for one sec‐
       ond after sending an 80-character line.

RETURN VALUE
       On success, mcprint returns  the  number  of  characters  sent  to  the
       printer.

       mcprint  returns  ERR  if the write operation fails for any reason.  In
       that event, errno contains either a value set by write(2),  or  one  of
       the following.

       ENODEV
            The terminal lacks relevant media copy capabilities.

       ENOMEM
            ncurses  could  not allocate sufficient memory to buffer the write
            operation.

EXTENSIONS
       mcprint is an ncurses(3X) extension, and is not found in  SVr4  curses,
       4.4BSD curses, or any other previous curses implementation.

PORTABILITY
       Applications  employing this ncurses extension should condition its use
       on the visibility of the NCURSES_VERSION preprocessor macro.

HISTORY
       ncurses introduced mcprint prior to version 1.9.9g (1996).

BUGS
       Padding in the prtr_non (mc5p), prtr_on (mc5), and prtr_off (mc4) capa‐
       bilities is not interpreted.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   library/ncurses = Stability Uncommitted

SEE ALSO
       curses(3X)



NOTES
       Source code for open source software components in Oracle  Solaris  can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This software was built from source available at:
       https://github.com/oracle/solaris-userland

       The original community source was downloaded from:
       https://invisible-mirror.net/archives/ncurses/cur‐
       rent/ncurses-6.5-20250614.tgz

       Further information about this software can be found on the open source
       community website at https://invisible-island.net/ncurses/.

ncurses 6.5                       2025-02-15                    curs_print(3x)
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