How To Install ncurses Library on a Linux

#include <ncurses.h>
 
int main(void){	
	initscr();			/* Start curses mode 		  */
	printw("Hello World! Press any key to exit ...");	/* Print Hello World		  */
	refresh();			/* Print it on to the real screen */
	getch();			/* Wait for user input */
	endwin();			/* End curses mode		  */
	return 0;
}

/*
 
  CURWIN1.C
  =========
  (c) Copyright Paul Griffiths 1999
  Email: mail@paulgriffiths.net
 
  Moving windows with ncurses.
 
*/
 
 
#include <stdlib.h>
#include <stdio.h>
#include <curses.h>
 
 
int main(void) {
 
    WINDOW * mainwin, * childwin;
    int      ch;
 
 
    /*  Set the dimensions and initial
	position for our child window   */
 
    int      width = 23, height = 7;
    int      rows  = 25, cols   = 80;
    int      x = (cols - width)  / 2;
    int      y = (rows - height) / 2;
 
 
    /*  Initialize ncurses  */
 
    if ( (mainwin = initscr()) == NULL ) {
	fprintf(stderr, "Error initialising ncurses.\n");
	exit(EXIT_FAILURE);
    }
 
 
    /*  Switch of echoing and enable keypad (for arrow keys)  */
 
    noecho();
    keypad(mainwin, TRUE);
 
 
    /*  Make our child window, and add
	a border and some text to it.   */
 
    childwin = subwin(mainwin, height, width, y, x);
    box(childwin, 0, 0);
    mvwaddstr(childwin, 1, 4, "Move the window");
    mvwaddstr(childwin, 2, 2, "with the arrow keys");
    mvwaddstr(childwin, 3, 6, "or HOME/END");
    mvwaddstr(childwin, 5, 3, "Press 'q' to quit");
 
    refresh();
 
 
    /*  Loop until user hits 'q' to quit  */
 
    while ( (ch = getch()) != 'q' ) {
 
	switch ( ch ) {
 
	case KEY_UP:
	    if ( y > 0 )
		--y;
	    break;
 
	case KEY_DOWN:
	    if ( y < (rows - height) )
		++y;
	    break;
 
	case KEY_LEFT:
	    if ( x > 0 )
		--x;
	    break;
 
	case KEY_RIGHT:
	    if ( x < (cols - width) )
		++x;
	    break;
 
	case KEY_HOME:
	    x = 0;
	    y = 0;
	    break;
 
	case KEY_END:
	    x = (cols - width);
	    y = (rows - height);
	    break;
 
	}
 
	mvwin(childwin, y, x);
        wrefresh(childwin); 
    }
 
 
    /*  Clean up after ourselves  */
 
    delwin(childwin);
    delwin(mainwin);
    endwin();
    refresh();
 
    return EXIT_SUCCESS;
}