ncurses 5.5

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

diff --git a/man/curs_touch.3x b/man/curs_touch.3x
index e1d130d30368b49c6cf208b890884d49f479dcdc..fa0f12ca7a0100ac2118eb0b60afe51c9d8e6931 100644 (file)
--- a/man/curs_touch.3x
+++ b/man/curs_touch.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
-.\" Copyright (c) 1998 Free Software Foundation, Inc.                        *
+.\" Copyright (c) 1998-2000,2005 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            *
@@ -26,12 +26,19 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_touch.3x,v 1.6 1998/03/11 21:12:53 juergen Exp $
+.\" $Id: curs_touch.3x,v 1.10 2005/05/15 16:19:19 tom Exp $
 .TH curs_touch 3X ""
+.na
+.hy 0
 .SH NAME
-\fBtouchwin\fR, \fBtouchline\fR, \fBuntouchwin\fR,
-\fBwtouchln\fR, \fBis_linetouched\fR, \fBis_wintouched\fR -
-\fBcurses\fR refresh control routines
+\fBtouchwin\fR,
+\fBtouchline\fR,
+\fBuntouchwin\fR,
+\fBwtouchln\fR,
+\fBis_linetouched\fR,
+\fBis_wintouched\fR - \fBcurses\fR refresh control routines
+.ad
+.hy
 .SH SYNOPSIS
 \fB#include <curses.h>\fR
 .br
@@ -43,9 +50,9 @@
 .br
 \fBint wtouchln(WINDOW *win, int y, int n, int changed);\fR
 .br
-\fBint is_linetouched(WINDOW *win, int line);\fR
+\fBbool is_linetouched(WINDOW *win, int line);\fR
 .br
-\fBint is_wintouched(WINDOW *win);\fR
+\fBbool is_wintouched(WINDOW *win);\fR
 .br
 .SH DESCRIPTION
 The \fBtouchwin\fR and \fBtouchline\fR routines throw away all
@@ -74,6 +81,22 @@ valid for the given window.
 All routines return the integer \fBERR\fR upon failure and an integer value
 other than \fBERR\fR upon successful completion, unless otherwise noted in the
 preceding routine descriptions.
+.PP
+X/Open does not define any error conditions.
+In this implementation
+.RS
+.TP 5
+\fBis_linetouched\fP
+returns an error 
+if the window pointer is null, or
+if the line number is outside the window.
+Note that ERR is distinct from TRUE and FALSE, which are the normal return values of this function.
+.TP 5
+\fBwtouchln\fP
+returns an error 
+if the window pointer is null, or
+if the line number is outside the window.
+.RE
 .SH PORTABILITY
 The XSI Curses standard, Issue 4 describes these functions.