Source Code File 11-06-dup

11-06-dup.c

#include <ncurses.h>
       
int main()
{
    WINDOW *fred,*barney;
    
    initscr();
    refresh();
        
    /* Build window & wait */
    fred = newwin(0,0,0,0);
    waddstr(fred,"This is Fred.\n");
    wrefresh(fred);
    getch();
    
    /* Create and show barney */
    barney = dupwin(fred);
    waddstr(barney,"This is Barney.\n");
    wrefresh(barney);
    getch();
    
    /* Go back to fred */
    waddstr(fred,"Nice to see you!\n");
    wrefresh(fred);
    getch();

    /* One more time to barney */
    waddstr(barney,"You too!\n");
    touchwin(barney);
    wrefresh(barney);
    getch();

    endwin();
    return(0);
}

Output Screenshot

(Click to cycle images.)

Notes

* The eBook's text describes the output and why it appears confusing.

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