Word Counter

//
//  main.m
//  Exercise 6
//
//  Created by Steve on 11/8/12.
//  Copyright (c) 2012 Personal. All rights reserved.
//

#import <Foundation/Foundation.h>

int wordCount(char * s) {
    int retval = 0;
    int isWord = 0;

    while (*s) {
        if (!isspace(*s)) {
            if (!isWord) {
                isWord = 1;
                retval++;
            }
        } else {
            isWord = 0;
        }
        s++;
    }

    return retval;
}

int letterCount(char * s) {
    int retval = 0;

    while (*s) {
        if (!isspace(*s++)) {
            retval++;
        }
    }

    return retval;
}

int main(int argc, const char * argv[])
{
    char * testString = "This has      a bunch of spaces.";

    int wc = wordCount(testString);
    int lc = letterCount(testString);

    printf("%s\n", testString);
    printf("Word count is %d.\n", wc);
    printf("Letter count is %d.\n", lc);
    printf("Average word length is %f.\n", (float)lc / (float)wc);
    return 0;
}