#include <stdio.h>
#include <ctype.h> //This is to bring in the declaration of isspace()
#include <stdbool.h>  //This is to bring in the define of true


#define kMaxLineLength		200
#define kZeroByte			0

void	ReadLine( char *line );
int		CountWords( char *line );

int main (int argc, const char * argv[]) {
	char	line[ kMaxLineLength ];
	int		numWords;

	printf( "Type a line of text, please:\n" );

	ReadLine( line );
	numWords = CountWords( line );

	printf( "\n---- This line has %d word", numWords );

	if ( numWords != 1 )
		printf( "s" );

	printf( " ----\n%s\n", line );

	return 0;
}


void	ReadLine( char *line ) {
    int     numCharsRead = 0;

	while ( (*line = getchar()) != '\n' ) {
		line++;
        if ( ++numCharsRead >= kMaxLineLength-1 )
            break;
    }

	*line = kZeroByte;
}


int	CountWords( char *line ) {
	int		numWords, inWord;

	numWords = 0;
	inWord = false;

	while ( *line != kZeroByte ) {
		if ( ! isspace( *line ) ) {
			if ( ! inWord ) {
				numWords++;
				inWord = true;
			}
		}
		else
			inWord = false;

		line++;
	}

	return numWords;
}