diff options
Diffstat (limited to 'man/curs_print.3x')
| -rw-r--r-- | man/curs_print.3x | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/man/curs_print.3x b/man/curs_print.3x index 31a4535..edb5008 100644 --- a/man/curs_print.3x +++ b/man/curs_print.3x @@ -1,5 +1,6 @@ .\"*************************************************************************** -.\" Copyright (c) 1998-2006,2010 Free Software Foundation, Inc. * +.\" Copyright 2018,2020 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 * @@ -26,7 +27,7 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_print.3x,v 1.10 2010/12/04 18:40:45 tom Exp $ +.\" $Id: curs_print.3x,v 1.14 2020/02/02 23:34:34 tom Exp $ .TH curs_print 3X "" .SH NAME \fBmcprint\fR \- ship binary data to printer @@ -39,16 +40,19 @@ This function uses the \fBmc5p\fR or \fBmc4\fR and \fBmc5\fR 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 -or to know how much buffering it has. Your application is responsible for +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 +(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. . .SH RETURN VALUE The \fBmcprint\fR function returns \fBERR\fR if the write operation aborted -for some reason. In this case, errno will contain either an error associated -with \fBwrite(2)\fR or one of the following: +for some reason. +In this case, errno will contain either an error associated +with \fBwrite\fP(2) or one of the following: .TP 5 ENODEV Capabilities for printer redirection do not exist. @@ -65,4 +69,4 @@ in SVr4 curses, 4.4BSD curses, or any other previous version of curses. Padding in the \fBmc5p\fR, \fBmc4\fR and \fBmc5\fR capabilities will not be interpreted. .SH SEE ALSO -\fBcurses\fR(3X)\fR +\fBcurses\fR(3X) |