/*  We add in the curses.h header file    and in the main function we make calls to initialize and reset the curses library.  */#include <unistd.h>#include <stdlib.h>#include <curses.h>int main() {    initscr();/*  We move the cursor to the point (5,15) on the logical screen,    print "Hello World" and refresh the actual screen.    Lastly, we use the call sleep(2) to suspend the program for two seconds,    so we can see the output before the program ends.  */    move(5, 15);    printw("%s", "Hello World");    refresh();    sleep(2);    endwin();    exit(EXIT_SUCCESS);}