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#include <curses.h>int add_wchnstr(const cchar_t *wchstr, int n);
int add_wchstr(const cchar_t *wchstr);
int wadd_wchnstr(WINDOW *win, const cchar_t *wchstr, int n);
int wadd_wchstr(WINDOW *win, const cchar_t *wchstr);
int mvadd_wchnstr(int y, int x, const cchar_t *wchstr, int n);
int mvadd_wchstr(int y, int x, const cchar_t *wchstr);
int mvwadd_wchnstr(WINDOW *win, int y, int x, const cchar_t *wchstr, int n);
int mvwadd_wchstr(WINDOW *win, int y, int x, const cchar_t *wchstr);
These functions do not advance the cursor. The results are unspecified if wchstr contains any special characters.
The functions end successfully on encountering a null cchar_t. The functions also end successfully when they fill the current line. If a character cannot completely fit at the end of the current line, those columns are filled with the background character and rendition.
The add_wchnstr(3curses), mvadd_wchnstr(3curses), mvwadd_wchnstr(3curses) and wadd_wchnstr(3curses) functions end successfully after writing n cchar_ts (or the entire array of cchar_ts, if n is -1).