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Diffstat (limited to 'doc/html/man/curs_print.3x.html')
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1 files changed, 36 insertions, 31 deletions
diff --git a/doc/html/man/curs_print.3x.html b/doc/html/man/curs_print.3x.html index 92fb48d47856..74177ac7c8ad 100644 --- a/doc/html/man/curs_print.3x.html +++ b/doc/html/man/curs_print.3x.html @@ -1,6 +1,6 @@ <!-- **************************************************************************** - * Copyright 2018-2023,2024 Thomas E. Dickey * + * Copyright 2018-2024,2025 Thomas E. Dickey * * Copyright 1998-2010,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * @@ -27,25 +27,23 @@ * sale, use or other dealings in this Software without prior written * * authorization. * **************************************************************************** - * @Id: curs_print.3x,v 1.38 2024/03/16 15:35:01 tom Exp @ + * @Id: curs_print.3x,v 1.41 2025/02/15 18:42:34 tom Exp @ --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML> <HEAD> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts"> -<TITLE>curs_print 3x 2024-03-16 ncurses 6.5 Library calls</TITLE> +<TITLE>curs_print 3x 2025-02-15 ncurses 6.6 Library calls</TITLE> <link rel="author" href="mailto:bug-ncurses@gnu.org"> </HEAD> <BODY> -<H1 class="no-header">curs_print 3x 2024-03-16 ncurses 6.5 Library calls</H1> +<H1 class="no-header">curs_print 3x 2025-02-15 ncurses 6.6 Library calls</H1> <PRE> <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG> - - </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE> <STRONG>mcprint</STRONG> - write binary data to printer using <EM>terminfo</EM> capabilities @@ -53,57 +51,63 @@ </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE> <STRONG>#include</STRONG> <STRONG><curses.h></STRONG> - <STRONG>int</STRONG> <STRONG>mcprint(char</STRONG> <STRONG>*</STRONG><EM>data</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>len</EM><STRONG>);</STRONG> + <STRONG>int</STRONG> <STRONG>mcprint(char</STRONG> <STRONG>*</STRONG> <EM>data</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>len</EM><STRONG>);</STRONG> </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE> - This function uses the <STRONG>mc5p</STRONG> or <STRONG>mc4</STRONG> and <STRONG>mc5</STRONG> capabilities, if they are - present, to ship given data to a printer attached to the terminal. + <STRONG>mcprint</STRONG>, an <EM>ncurses</EM> extension to the <EM>curses</EM> library, uses the + terminal's <STRONG>prtr_non</STRONG> (<STRONG>mc5p</STRONG>) or <STRONG>prtr_on</STRONG> (<STRONG>mc5</STRONG>) and <STRONG>prtr_off</STRONG> (<STRONG>mc4</STRONG>) media + copy capabilities, if defined, to send <EM>len</EM> bytes of the given string + <EM>data</EM> to a printer attached to the terminal. - Note that the <STRONG>mcprint</STRONG> 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. + <STRONG>mcprint</STRONG> 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 + second after sending an 80-character line. </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE> - The <STRONG>mcprint</STRONG> function returns <STRONG>ERR</STRONG> if the write operation aborted for - some reason. In this case, <STRONG>errno</STRONG> will contain either an error - associated with <STRONG>write(2)</STRONG> or one of the following: + On success, <STRONG>mcprint</STRONG> returns the number of characters sent to the + printer. + + <STRONG>mcprint</STRONG> returns <STRONG>ERR</STRONG> if the write operation fails for any reason. In + that event, <STRONG>errno</STRONG> contains either a value set by <STRONG>write(2)</STRONG>, or one of + the following. <STRONG>ENODEV</STRONG> - Capabilities for printer redirection do not exist. + The terminal lacks relevant media copy capabilities. <STRONG>ENOMEM</STRONG> - Couldn't allocate sufficient memory to buffer the printer write. - - When <STRONG>mcprint</STRONG> succeeds, it returns the number of characters actually - sent to the printer. + <EM>ncurses</EM> could not allocate sufficient memory to buffer the write + operation. </PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE> - <STRONG>mcprint</STRONG> was designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and was not found in SVr4 <EM>curses</EM>, - 4.4BSD <EM>curses</EM>, or any other previous curses implementation. + <STRONG>mcprint</STRONG> is an <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> extension, and is not found in SVr4 <EM>curses</EM>, + 4.4BSD <EM>curses</EM>, or any other previous <EM>curses</EM> implementation. </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE> - Applications employing this <EM>ncurses</EM> extension should condition its use + Applications employing this <EM>ncurses</EM> extension should condition its use on the visibility of the <STRONG>NCURSES_VERSION</STRONG> preprocessor macro. +</PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE> + <EM>ncurses</EM> introduced <EM>mcprint</EM> prior to version 1.9.9g (1996). + + </PRE><H2><a name="h2-BUGS">BUGS</a></H2><PRE> - Padding in the <STRONG>mc5p</STRONG>, <STRONG>mc4</STRONG>, and <STRONG>mc5</STRONG> capabilities is not interpreted. + Padding in the <STRONG>prtr_non</STRONG> (<STRONG>mc5p</STRONG>), <STRONG>prtr_on</STRONG> (<STRONG>mc5</STRONG>), and <STRONG>prtr_off</STRONG> (<STRONG>mc4</STRONG>) + capabilities is not interpreted. </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE> <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG> - - -ncurses 6.5 2024-03-16 <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG> +ncurses 6.6 2025-02-15 <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG> </PRE> <div class="nav"> <ul> @@ -113,6 +117,7 @@ ncurses 6.5 2024-03-16 <STRONG><A HREF= <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li> <li><a href="#h2-EXTENSIONS">EXTENSIONS</a></li> <li><a href="#h2-PORTABILITY">PORTABILITY</a></li> +<li><a href="#h2-HISTORY">HISTORY</a></li> <li><a href="#h2-BUGS">BUGS</a></li> <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li> </ul> |
