X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fcurs_print.3x;h=101d2935e2965513e50dcca4b1c5ce0f7c9446c3;hp=ba793ec3319a41829bd0ff9ffce88d50d621ec2e;hb=HEAD;hpb=17c5992a16be94247b83f2bbb9accdd9b7e7bb72 diff --git a/man/curs_print.3x b/man/curs_print.3x index ba793ec3..3694beff 100644 --- a/man/curs_print.3x +++ b/man/curs_print.3x @@ -1,5 +1,6 @@ .\"*************************************************************************** -.\" Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. * +.\" Copyright 2018-2023,2024 Thomas E. Dickey * +.\" Copyright 1998-2010,2017 Free Software Foundation, Inc. * .\" * .\" Permission is hereby granted, free of charge, to any person obtaining a * .\" copy of this software and associated documentation files (the * @@ -26,19 +27,23 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_print.3x,v 1.13 2018/07/28 21:34:56 tom Exp $ -.TH curs_print 3X "" +.\" $Id: curs_print.3x,v 1.38 2024/03/16 15:35:01 tom Exp $ +.TH curs_print 3X 2024-03-16 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls" .SH NAME -\fBmcprint\fR \- ship binary data to printer +\fB\%mcprint\fP \- +write binary data to printer using \fIterminfo\fR capabilities .SH SYNOPSIS -\fB#include \fR -.sp -\fBint mcprint(char *data, int len);\fR +.nf +\fB#include +.PP +\fBint mcprint(char *\fIdata\fP, int \fIlen\fP); +.fi .SH DESCRIPTION -This function uses the \fBmc5p\fR or \fBmc4\fR and \fBmc5\fR capabilities, +This function uses the \fBmc5p\fP or \fBmc4\fP and \fBmc5\fP capabilities, if they are present, to ship given data to a printer attached to the terminal. .PP -Note that the \fBmcprint\fR code has no way to do flow control with the printer +Note that the \fB\%mcprint\fP 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 @@ -48,24 +53,37 @@ Dot-matrix printers and rule of thumb is to sleep for a second after shipping each 80-character line. . .SH RETURN VALUE -The \fBmcprint\fR function returns \fBERR\fR if the write operation aborted +The \fB\%mcprint\fP function returns \fBERR\fP if the write operation aborted for some reason. -In this case, errno will contain either an error associated +In this case, \fB\%errno\fP will contain either an error associated with \fBwrite\fP(2) or one of the following: .TP 5 -ENODEV +\fBENODEV\fP Capabilities for printer redirection do not exist. .TP 5 -ENOMEM +\fBENOMEM\fP Couldn't allocate sufficient memory to buffer the printer write. .PP -When \fBmcprint\fR succeeds, it returns the number of characters actually +When \fB\%mcprint\fP succeeds, it returns the number of characters actually sent to the printer. +.SH EXTENSIONS +\fB\%mcprint\fP was designed for +\fB\%ncurses\fP(3X), +and was not found in SVr4 +.IR curses , +4.4BSD +.IR curses , +or any other previous curses implementation. .SH PORTABILITY -The \fBmcprint\fR call was designed for \fBncurses\fR(3X), and is not found -in SVr4 curses, 4.4BSD curses, or any other previous version of curses. +Applications employing this +.I \%ncurses +extension should condition its use on the visibility of the +.B \%NCURSES_VERSION +preprocessor macro. .SH BUGS -Padding in the \fBmc5p\fR, \fBmc4\fR and \fBmc5\fR capabilities will not be -interpreted. +Padding in the +\fBmc5p\fP, +\fBmc4\fP, and +\fBmc5\fP capabilities is not interpreted. .SH SEE ALSO -\fBcurses\fR(3X) +\fB\%curses\fP(3X)