/* ex8-14.c
 *
 * Solution to Programming Project 14 (Chapter 8)
 *
 * From C PROGRAMMING: A MODERN APPROACH (Second Edition)
 *
 * Copyright (c) 2008 W. W. Norton & Company
 * All rights reserved.
 *
 * This program may be freely distributed for class use,
 * provided that this copyright notice is retained.
 */

#include <stdio.h>

#define MAX_SENTENCE_LEN 80

int main(void) {
    char ch, sentence[MAX_SENTENCE_LEN] = {' '}, terminator = '.';
    int n, i, start, finish;

    printf("Enter a sentence: ");
    for (n = 1; n < MAX_SENTENCE_LEN; n++) {
        ch = getchar();
        if (ch == '.' || ch == '?' || ch == '!') {
            terminator = ch;
            break;
        }
        sentence[n] = ch;
    }

    printf("Reversal of sentence:");
    finish = n;
    for (start = finish - 1; start >= 0; start--) {
        if (sentence[start] == ' ') {
            for (i = start; i < finish; i++)
                putchar(sentence[i]);
            finish = start;
        }
    }
    printf("%c\n", terminator);

    return 0;
}