/* ---------------------------------------------------------------------  
// Figure 3.4:  Echo.                                               
//              This program reads and echoes a single number.                   
// --------------------------------------------------------------------- 
*/
    #include <stdio.h>

    void main( void ) 
    {   
        int number;

        puts( "Please type a single number and hit ENTER: " ); 
        scanf( "%i", &number );           
        printf( "You typed %i.\n",  number ); 
    }