108 lines
4.9 KiB
Plaintext
108 lines
4.9 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_termattrs.3x,v 1.6 2000/07/08 12:53:34 tom Exp $
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.TH curs_termattrs 3X ""
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.SH NAME
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\fBbaudrate\fR, \fBerasechar\fR, \fBhas_ic\fR,
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\fBhas_il\fR, \fBkillchar\fR, \fBlongname\fR, \fBtermattrs\fR,
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\fBtermname\fR - \fBcurses\fR environment query routines
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.SH SYNOPSIS
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\fB#include <curses.h>\fR
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\fBint baudrate(void);\fR
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.br
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\fBchar erasechar(void);\fR
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.br
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\fBbool has_ic(void);\fR
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.br
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\fBbool has_il(void);\fR
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.br
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\fBchar killchar(void);\fR
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.br
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\fBchar *longname(void);\fR
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.br
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\fBattr_t termattrs(void);\fR
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.br
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\fBchar *termname(void);\fR
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.br
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.SH DESCRIPTION
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The \fBbaudrate\fR routine returns the output speed of the terminal. The
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number returned is in bits per second, for example \fB9600\fR, and is an
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integer.
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The \fBerasechar\fR routine returns the user's current erase character.
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The \fBhas_ic\fR routine is true if the terminal has insert- and delete-
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character capabilities.
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The \fBhas_il\fR routine is true if the terminal has insert- and delete-line
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capabilities, or can simulate them using scrolling regions. This might
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be used to determine if it would be appropriate to turn on physical
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scrolling using \fBscrollok\fR.
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The \fBkillchar\fR routine returns the user's current line kill character.
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The \fBlongname\fR routine returns a pointer to a static area
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containing a verbose description of the current terminal. The maximum
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length of a verbose description is 128 characters. It is defined only
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after the call to \fBinitscr\fR or \fBnewterm\fR. The area is
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overwritten by each call to \fBnewterm\fR and is not restored by
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\fBset_term\fR, so the value should be saved between calls to
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\fBnewterm\fR if \fBlongname\fR is going to be used with multiple
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terminals.
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If a given terminal doesn't support a video attribute that an
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application program is trying to use, \fBcurses\fR may substitute a
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different video attribute for it. The \fBtermattrs\fR function
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returns a logical \fBOR\fR of all video attributes supported by the
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terminal. This information is useful when a \fBcurses\fR program
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needs complete control over the appearance of the screen.
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The \fBtermname\fR routine returns the value of the environmental
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variable \fBTERM\fR (truncated to 14 characters).
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.SH RETURN VALUE
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\fBlongname\fR and \fBtermname\fR return \fBNULL\fR on error.
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Routines that return an integer return \fBERR\fR upon failure and \fBOK\fR
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(SVr4 only specifies "an integer value other than \fBERR\fR") upon successful
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completion.
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.SH NOTES
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Note that \fBtermattrs\fR may be a macro.
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.SH PORTABILITY
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The XSI Curses standard, Issue 4 describes these functions. It changes the
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return type of \fBtermattrs\fR to the new type \fBattr_t\fR.
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBcurs_initscr\fR(3X), \fBcurs_outopts\fR(3X)
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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