ncurses 6.1 - patch 20180616

[ncurses.git] / man / curs_termcap.3x

diff --git a/man/curs_termcap.3x b/man/curs_termcap.3x
index d3c974bc35ee2a19e1a6bf5792e18ed7ae698a08..8c250743dac124f61bf369268f96ae38df55506c 100644 (file)
--- a/man/curs_termcap.3x
+++ b/man/curs_termcap.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
-.\" Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+.\" Copyright (c) 1998-2017,2018 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            *
@@ -26,10 +26,11 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_termcap.3x,v 1.33 2017/01/07 19:25:15 tom Exp $
+.\" $Id: curs_termcap.3x,v 1.39 2018/04/07 20:51:27 tom Exp $
 .TH curs_termcap 3X ""
 .de bP
-.IP \(bu 4
+.ie n  .IP \(bu 4
+.el    .IP \(bu 2
 ..
 .na
 .hy 0
@@ -60,13 +61,13 @@
 .br
 \fBextern @NCURSES_OSPEED@ ospeed;\fR
 .sp
-\fBint tgetent(char *bp, const char *name);\fR
+\fBint tgetent(const char *bp, const char *name);\fR
 .br
-\fBint tgetflag(char *id);\fR
+\fBint tgetflag(const char *id);\fR
 .br
-\fBint tgetnum(char *id);\fR
+\fBint tgetnum(const char *id);\fR
 .br
-\fBchar *tgetstr(char *id, char **area);\fR
+\fBchar *tgetstr(const char *id, char **area);\fR
 .br
 \fBchar *tgoto(const char *cap, int col, int row);\fR
 .br
@@ -166,6 +167,9 @@ In that case, the first parameter is merely a placeholder.
 .bP
 Normally the ncurses library is compiled with terminfo support.
 In that case, \fBtgoto\fP uses \fBtparm\fP(3X) (a more capable formatter).
+.IP
+However, \fBtparm\fP is not a \fItermcap\fP feature,
+and portable \fItermcap\fP applications should not rely upon its availability.
 .PP
 The \fBtputs\fR routine is described on the \fBcurs_terminfo\fR(3X) manual
 page.  It can retrieve capabilities by either termcap or terminfo name.
@@ -214,8 +218,14 @@ One consequence of this is that termcap applications assume \fRme\fR
 This implementation checks for, and modifies the data shown to the
 termcap interface to accommodate termcap's limitation in this respect.
 .SH PORTABILITY
+These functions are provided for supporting legacy applications,
+and should not be used in new programs:
+.bP
 The XSI Curses standard, Issue 4 describes these functions.  However, they
 are marked TO BE WITHDRAWN and may be removed in future versions.
+.bP
+X/Open Curses, Issue 5 (December 2007) marked the termcap interface
+(along with \fBvwprintw\fP and \fBvwscanw\fP) as withdrawn.
 .PP
 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
@@ -255,4 +265,4 @@ extended capability names which are longer than two characters.
 \fBterm_variables\fR(3X),
 \fBputc\fR(3).
 .sp
-http://invisible-island.net/ncurses/tctest.html
+https://invisible-island.net/ncurses/tctest.html