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authorTodd C. Miller <millert@cvs.openbsd.org>1998-07-23 21:20:13 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>1998-07-23 21:20:13 +0000
commita8d3a59992970b350c84b6330592df657f919080 (patch)
treeecdb217d8210502c80484fb89fdaa25775a54fb1 /lib/libcurses/termcap.3
parent65d74b2bc105ada6c49c16682e6ee5bb92b84b03 (diff)
ncurses-4.2-980718
Diffstat (limited to 'lib/libcurses/termcap.3')
-rw-r--r--lib/libcurses/termcap.3113
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+.\"***************************************************************************
+.\" Copyright (c) 1998 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 *
+.\" "Software"), to deal in the Software without restriction, including *
+.\" without limitation the rights to use, copy, modify, merge, publish, *
+.\" distribute, distribute with modifications, sublicense, and/or sell *
+.\" copies of the Software, and to permit persons to whom the Software is *
+.\" furnished to do so, subject to the following conditions: *
+.\" *
+.\" The above copyright notice and this permission notice shall be included *
+.\" in all copies or substantial portions of the Software. *
+.\" *
+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+.\" *
+.\" Except as contained in this notice, the name(s) of the above copyright *
+.\" holders shall not be used in advertising or otherwise to promote the *
+.\" sale, use or other dealings in this Software without prior written *
+.\" authorization. *
+.\"***************************************************************************
+.\"
+.\" $OpenBSD: termcap.3,v 1.1 1998/07/23 21:20:05 millert Exp $
+.\" $From: curs_termcap.3x,v 1.11 1998/07/18 02:45:56 tom Exp $
+.TH termcap 3 ""
+.ds n 5
+.SH NAME
+\fBtgetent\fR, \fBtgetflag\fR, \fBtgetnum\fR,
+\fBtgetstr\fR, \fBtgoto\fR, \fBtputs\fR - direct \fBcurses\fR
+interface to the terminfo capability database
+.SH SYNOPSIS
+\fB#include <curses.h>\fR
+.br
+\fB#include <term.h>\fR
+.br
+\fBint tgetent(const char *bp, char *name);\fR
+.br
+\fBint tgetflag(const char *id);\fR
+.br
+\fBint tgetnum(const char *id);\fR
+.br
+\fBchar *tgetstr(const char *id, char **area);\fR
+.br
+\fBchar *tgoto(const char *cap, int col, int row);\fR
+.br
+\fBint tputs(const char *str, int affcnt, int (*putc)(int));\fR
+.br
+.SH DESCRIPTION
+These routines are included as a conversion aid for programs that use
+the \fItermcap\fR library. Their parameters are the same and the
+routines are emulated using the \fIterminfo\fR database. Thus, they
+can only be used to query the capabilities of entries for which a
+terminfo entry has been compiled.
+
+The \fBtgetent\fR routine loads the entry for \fIname\fR.
+It returns 1 on success, 0 if there is no such entry, and -1 if the
+terminfo database could not be found.
+The emulation ignores the buffer pointer \fIbp\fR.
+
+The \fBtgetflag\fR routine gets the boolean entry for \fIid\fR,
+or zero if it is not available.
+
+The \fBtgetnum\fR routine gets the numeric entry for \fIid\fR,
+or -1 if it is not available.
+
+The \fBtgetstr\fR routine returns the string entry for \fIid\fR,
+or zero if it is not available.
+Use \fBtputs\fR to output the returned string.
+
+The \fBtgoto\fR routine instantiates the parameters into the given capability.
+The output from this routine is to be passed to \fBtputs\fR.
+
+The \fBtputs\fR routine is described on the \fBcurs_terminfo\fR(3) manual
+page. It can retrieve capabilities by either termcap or terminfo name.
+
+.SH RETURN VALUE
+Except where explicitly noted,
+routines that return an integer return \fBERR\fR upon failure and \fBOK\fR
+(SVr4 only specifies "an integer value other than \fBERR\fR") upon successful
+completion.
+
+Routines that return pointers return \fBNULL\fR on error.
+.SH BUGS
+If you call \fBtgetstr\fR to fetch \fBca\fR or any other parameterized string,
+be aware that it will be returned in terminfo notation, not the older and
+not-quite-compatible termcap notation. This won't cause problems if all
+you do with it is call \fBtgoto\fR or \fBtparm\fR, which both expand
+terminfo-style.
+
+Because terminfo conventions for representing padding in string capabilities
+differ from termcap's, \fBtputs("50");\fR will put out a literal "50" rather
+than busy-waiting for 50 milliseconds. Cope with it.
+.SH PORTABILITY
+The XSI Curses standard, Issue 4 describes these functions. However, they
+are marked TO BE WITHDRAWN and may be removed in future versions.
+
+Neither the XSI Curses standard nor the SVr4 man pages documented the return
+values of \fBtgetent\fR correctly, though all three were in fact returned ever
+since SVr1.
+.SH SEE ALSO
+\fBcurses\fR(3), \fBterminfo\fR(\*n), \fBputc\fR(3).
+.\"#
+.\"# The following sets edit modes for GNU EMACS
+.\"# Local Variables:
+.\"# mode:nroff
+.\"# fill-column:79
+.\"# End: