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.\" $Id: curs_addchstr.3x,v 1.17 2017/11/18 23:56:00 tom Exp $
.TH curs_addchstr 3X ""
.de bP
.ie n  .IP \(bu 4
.el    .IP \(bu 2
..
.na
.hy 0
.SH NAME
\fBaddchstr\fR,
\fBaddchnstr\fR,
\fBwaddchstr\fR,
\fBwaddchnstr\fR,
\fBmvaddchstr\fR,
\fBmvaddchnstr\fR,
\fBmvwaddchstr\fR,
\fBmvwaddchnstr\fR \- add a string of characters (and attributes) to a \fBcurses\fR window
.ad
.hy
.SH SYNOPSIS
.nf
\fB#include <curses.h>\fR
.PP
\fBint addchstr(const chtype *chstr);\fR
.br
\fBint addchnstr(const chtype *chstr, int n);\fR
.br
\fBint waddchstr(WINDOW *win, const chtype *chstr);\fR
.br
\fBint waddchnstr(WINDOW *win, const chtype *chstr, int n);\fR
.br
\fBint mvaddchstr(int y, int x, const chtype *chstr);\fR
.br
\fBint mvaddchnstr(int y, int x, const chtype *chstr, int n);\fR
.br
\fBint mvwaddchstr(WINDOW *win, int y, int x, const chtype *chstr);\fR
.br
\fBint mvwaddchnstr(WINDOW *win, int y, int x, const chtype *chstr, int n);\fR
.fi
.SH DESCRIPTION
These functions copy the (null-terminated)
\fIchstr\fR array
into the window image structure
starting at the current cursor position.
The four functions with \fIn\fR as the last
argument copy at most \fIn\fR elements,
but no more than will fit on the line.
If \fBn\fR=\fB\-1\fR then the whole array is copied,
to the maximum number of characters that will fit on the line.
.PP
The window cursor is \fInot\fR advanced.
These functions work faster than \fBwaddnstr\fR.
On the other hand:
.bP
they do not perform checking
(such as for the newline, backspace, or carriage return characters),
.bP
they do not advance the current cursor position,
.bP
they do not expand other control characters to ^-escapes, and
.bP
they truncate the string if it crosses the right margin,
rather than wrapping it around to the new line.
.SH RETURN VALUE
All functions return the integer \fBERR\fR upon failure and \fBOK\fR on success.
.PP
X/Open does not define any error conditions.
This implementation returns an error
if the window pointer is null.
.PP
Functions with a "mv" prefix first perform a cursor movement using
\fBwmove\fP, and return an error if the position is outside the window,
or if the window pointer is null.
.SH NOTES
All functions except \fBwaddchnstr\fR may be macros.
.SH PORTABILITY
These entry points are described in the XSI Curses standard, Issue 4.
.SH SEE ALSO
\fBcurs_addstr\fR(3X),
\fBcurses\fR(3X).
.PP
Comparable functions in the wide-character (ncursesw) library are
described in
\fBcurs_add_wchstr\fR(3X).
