/*
 * sp2nl.c 
 * Chapter5
 * Selfttest2
 * Problem 4 
 * John Stile
 * Purpose: Write a program, which converts every instance of space 
 *          characters to a newline character when the user redirects
 *	        a file or pipes the output.
 *          use getchar and putchar in a while loop
 */
#include <stdio.h>  // include stdio.h functions during compile

int main(void)  // header for main: takes nothing, reutnrs int.
{
  char cc;  // declare char variable cc
  
  printf("Enter a sring with spaces, and press enter: "); //prompt for input
  
  while ( (cc=getchar()) != EOF )  // get character
                                    // assign to variable cc
                                    // exit loop when cc == EOL
  {
     if ( cc == ' ' ) // if char equals a space, output a new line
     {
       putchar('\n');
     }
     else             // for everything else, 
     {
       putchar(cc);   // output the contents of cc
     }     
  }

  putchar('\n'); // add a final new line

  return 0;  // return 0 to calling program
}