man7.org > Linux > man-pages

Linux/UNIX system programming training

curs_addwstr(3x) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | NOTES | PORTABILITY | SEE ALSO | COLOPHON 

curs_addwstr(3X)                                        curs_addwstr(3X)

NAME         top

       addwstr, addnwstr, waddwstr, waddnwstr, mvaddwstr, mvaddnwstr,
       mvwaddwstr, mvwaddnwstr - add a string of wide characters to a
       curses window and advance cursor

SYNOPSIS         top

       #include <curses.h>

       int addwstr(const wchar_t *wstr);
       int addnwstr(const wchar_t *wstr, int n);
       int waddwstr(WINDOW *win, const wchar_t *wstr);
       int waddnwstr(WINDOW *win, const wchar_t *wstr, int n);

       int mvaddwstr(int y, int x, const wchar_t *wstr);
       int mvaddnwstr(int y, int x, const wchar_t *wstr, int n);
       int mvwaddwstr(WINDOW *win, int y, int x, const wchar_t *wstr);
       int mvwaddnwstr(WINDOW *win, int y, int x, const wchar_t *wstr, int n);

DESCRIPTION         top

       These  functions  write  the  characters of the (null-terminated)
       wchar_t character string wstr on the given window.  It is similar
       to constructing a cchar_t for each wchar_t in  the  string,  then
       calling wadd_wch for the resulting cchar_t.

       The mv functions perform cursor movement once, before writing any
       characters.   Thereafter, the cursor is advanced as a side-effect
       of writing to the window.

       The four functions with n as the last argument write  at  most  n
       wchar_t characters, or until a terminating null is reached.  If n
       is -1, then the entire string will be added.

RETURN VALUE         top

       All  functions return the integer ERR upon failure and OK on suc‐
       cess.

       X/Open does not define any error conditions.  This implementation
       returns an error

       •   if the window pointer is null or

       •   if the string pointer is null or

       •   if the corresponding calls to wadd_wch return an error.

       Functions with a “mv” prefix first perform a cursor movement us‐
       ing wmove, and return an error if the position is outside the
       window, or if the window pointer is null.

NOTES         top

       All of these functions except waddnwstr may be macros.

PORTABILITY         top

       These functions are described in the XSI Curses standard, Issue
       4.

SEE ALSO         top

       curses(3X), curs_add_wch(3X)

COLOPHON         top

       This page is part of the ncurses (new curses) project.  Informa‐
       tion about the project can be found at 
       ⟨https://www.gnu.org/software/ncurses/ncurses.html⟩.  If you have
       a bug report for this manual page, send it to
       bug-ncurses-request@gnu.org.  This page was obtained from the
       project's upstream Git mirror of the CVS repository
       ⟨https://github.com/mirror/ncurses.git⟩ on 2024-06-14.  (At that
       time, the date of the most recent commit that was found in the
       repository was 2023-03-12.)  If you discover any rendering
       problems in this HTML version of the page, or you believe there
       is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to
       man-pages@man7.org

                                                        curs_addwstr(3X)

HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface.

For details of in-depth Linux/UNIX system programming training courses that I teach, look here.

Hosting by jambit GmbH.

Cover of TLPI