curs_addwstr - Online Linux Manual PageSection : 3X
Updated :

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

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SYNOPSIS#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);

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DESCRIPTIONThese 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.

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RETURN VALUEAll functions return the integer ERR upon failure and OK on success. 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 using wmove, and return an error if the position is outside the window, or if the window pointer is null.

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NOTESAll of these functions except waddnwstr may be macros.

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

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SEE ALSOcurses(3X), curs_add_wch(3X) 0

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