#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <curses.h>

void finish(int sig);

main (argc,argv)
    int argc;
    char *argv[];
   {chtype ch;

    signal (SIGINT,finish);
    initscr();
    cbreak();
    noecho();
    nonl();
    wmove(stdscr,0,0);
    wprintw(stdscr,"Terminal type is : %s",getenv("TERM"));

/* character t */
    wmove(stdscr,1,0);
    wrefresh(stdscr);
    wprintw(stdscr,"abcdef");
    ch = 't';
    waddch(stdscr,ch);
    wrefresh(stdscr);
    wmove(stdscr,1,3);
    winsch(stdscr,ch);
    wrefresh(stdscr);
    wmove(stdscr,2,0);
    wrefresh(stdscr);
    wprintw(stdscr,"result ok : abctdeft");
    wrefresh(stdscr);

/* character e acute with ch=é */
    wmove(stdscr,4,0);
    wrefresh(stdscr);
    wprintw(stdscr,"abcdef");
    ch = 'é';
    waddch(stdscr,ch);
    wprintw(stdscr," ");
    wmove(stdscr,4,3);
    wrefresh(stdscr);
    winsch(stdscr,ch);
    wrefresh(stdscr);
    wmove(stdscr,5,0);
    wprintw(stdscr,"result should be : abcédefé");
    wrefresh(stdscr);

/* character e acute with wgetch */
    wmove(stdscr,7,0);
    wprintw(stdscr,"Enter e acute (alt 233)\n");
    for(;;)
       {ch = wgetch(stdscr);     /* read a character */
        if (ch == 233) break;
        wprintw(stdscr,"Error, e acute should be 233 decimal,\n");
        wprintw(stdscr,"Found char=%c, decimal=%d\n",ch,ch);
       }
    wrefresh(stdscr);
    wmove(stdscr,8,0);
    wclrtoeol(stdscr);
    wmove(stdscr,9,0);
    wclrtoeol(stdscr);
    wmove(stdscr,8,0);
    wprintw(stdscr,"abcdef");
    waddch(stdscr,ch);
    wprintw(stdscr," ");
    wmove(stdscr,8,3);
    wrefresh(stdscr);
    winsch(stdscr,ch);
    wrefresh(stdscr);
    wmove(stdscr,9,0);
    wprintw(stdscr,"result should be : abcédefé");
    wrefresh(stdscr);

    wmove(stdscr,11,0);
    wprintw(stdscr,"enter any key to exit");
    ch = wgetch (stdscr);     /* read a character */
    finish(0);
   }

/* End with sigint
   =============== */
void finish(int sig)
   {nl();
    nocbreak();
    echo();
    endwin();
    exit(sig);
   }