curs_addstr(3x) — Linux manual page


curs_addstr(3X)                                          curs_addstr(3X)

NAME         top

       addstr, addnstr, waddstr, waddnstr, mvaddstr, mvaddnstr,
       mvwaddstr, mvwaddnstr - add a string of characters to a curses
       window and advance cursor

SYNOPSIS         top

       #include <curses.h>

       int addstr(const char *str);
       int addnstr(const char *str, int n);
       int waddstr(WINDOW *win, const char *str);
       int waddnstr(WINDOW *win, const char *str, int n);

       int mvaddstr(int y, int x, const char *str);
       int mvaddnstr(int y, int x, const char *str, int n);
       int mvwaddstr(WINDOW *win, int y, int x, const char *str);
       int mvwaddnstr(WINDOW *win, int y, int x, const char *str, int n);

DESCRIPTION         top

       These functions write the (null-terminated) character string str
       on the given window.  It is similar to calling waddch once for
       each byte in the string.

       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
       bytes, 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

       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 waddch return an error.

       Functions with a “mv” prefix first perform a cursor movement
       using wmove, and return an error if the position is outside the
       window, or if the window pointer is null.  If an error is
       returned by the wmove, no characters are added to the window.

       If an error is returned by waddch (e.g., because the window is
       not large enough, or an illegal byte sequence was detected) only
       part of the string may be added.  Aside from that, there is a
       special case in waddch where an error may be returned after
       successfully writing a character to the lower-right corner of a
       window when scrollok(3X) is disabled.

NOTES         top

       All of these functions except waddnstr may be macros.

PORTABILITY         top

       These functions are described in the XSI Curses standard, Issue

SEE ALSO         top

       curses(3X), curs_addch(3X).

COLOPHON         top

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