# include <stdio.h>
# include <stdbool.h>
//
//  Program 10.7, Stephen Kochan, Programming in C.
//
int main ( void );
bool alphabetic ( const char c );
int countWords ( const char string[] );

int main ( void )
{
  const char text1[] = "Well, here goes.";
  const char text2[] = "And here we go... again.";

  printf ( "%s - words = %i.\n", text1, countWords ( text1 ) );
  printf ( "%s - words = %i.\n", text2, countWords ( text2 ) );

  return 0;
}

bool alphabetic ( const char c )
{
  bool value;

  if ( ( 'a' <= c && c <= 'z' ) ||
       ( 'A' <= c && c <= 'Z' ) )
  {
    value = true;
  }
  else
  {
    value = false;
  }
  return value;
}

int countWords ( const char string[] )
{
  int i, wordCount = 0;
  bool lookingForWord = true;

  for ( i = 0; string[i] != '\0'; i++ )
  {
    if ( alphabetic ( string[i] ) )
    {
      if ( lookingForWord )
      {
        wordCount = wordCount + 1;
        lookingForWord = false;
      }
    }
    else
    {
      lookingForWord = true;
    }
  }

  return wordCount;
}