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29 * @Id: curs_print.3x,v 1.10 2010/12/04 18:40:45 tom Exp @
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41 <H1 class="no-header">curs_print 3x</H1>
43 <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG> <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG>
48 </PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
49 <STRONG>mcprint</STRONG> - ship binary data to printer
52 </PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
53 <STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
55 <STRONG>int</STRONG> <STRONG>mcprint(char</STRONG> <STRONG>*data,</STRONG> <STRONG>int</STRONG> <STRONG>len);</STRONG>
58 </PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
59 This function uses the <STRONG>mc5p</STRONG> or <STRONG>mc4</STRONG> and <STRONG>mc5</STRONG> capabilities,
60 if they are present, to ship given data to a printer
61 attached to the terminal.
63 Note that the <STRONG>mcprint</STRONG> code has no way to do flow control
64 with the printer or to know how much buffering it has.
65 Your application is responsible for keeping the rate of
66 writes to the printer below its continuous throughput rate
67 (typically about half of its nominal cps rating). Dot-
68 matrix printers and 6-page-per-minute lasers can typically
69 handle 80cps, so a good conservative rule of thumb is to
70 sleep for a second after shipping each 80-character line.
73 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
74 The <STRONG>mcprint</STRONG> function returns <STRONG>ERR</STRONG> if the write operation
75 aborted for some reason. In this case, errno will contain
76 either an error associated with <STRONG>write(2)</STRONG> or one of the
80 Capabilities for printer redirection do not exist.
83 Couldn't allocate sufficient memory to buffer the
86 When <STRONG>mcprint</STRONG> succeeds, it returns the number of characters
87 actually sent to the printer.
90 </PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
91 The <STRONG>mcprint</STRONG> call was designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and is not
92 found in SVr4 curses, 4.4BSD curses, or any other previous
96 </PRE><H2><a name="h2-BUGS">BUGS</a></H2><PRE>
97 Padding in the <STRONG>mc5p</STRONG>, <STRONG>mc4</STRONG> and <STRONG>mc5</STRONG> capabilities will not be
101 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
102 <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>
106 <STRONG><A HREF="curs_print.3x.html">curs_print(3x)</A></STRONG>
110 <li><a href="#h2-NAME">NAME</a></li>
111 <li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
112 <li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
113 <li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
114 <li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
115 <li><a href="#h2-BUGS">BUGS</a></li>
116 <li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>