Help Reverse Sentence C Program

Im writing a c program that reverses the words in a sentence,
Example:
you can cage a swallow can't you?
you can't swallow a cage can you?

I have it all working, except the fact that I dont know how to get the words themselves to turn around. Heres my code and an example of the output im getting.

Output Im getting:
Enter a sentence: you can cage a swallow can't you?
Reverse of sentence: uoy t'nac wollaws a egac nac uoy?

My Code:

Code:

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#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#define MAX 200 /*Decent number of chars for a sentence*/
   
int main()
{
    /*Initializations*/
  char forward_sentence[MAX];
  char ch, termch;
  int i = 0, j, len = 0;
 
  /*Gets a sentence from the user*/       
  printf("Enter a sentence: ");
  ch = getchar();

  /*Loop goes as long as it doesnt hit a terminating char*/
  while(i < MAX && ch != '\n' && ch != '.' && ch != '?' && ch != '!')
  {
    forward_sentence[i] = ch;
    i++;
    len++;
    ch = getchar();
  }

  /*Sets the terminating characters*/
  for(i = 0; i < MAX; i++)
  {
  if(ch == '.')
    termch = '.';
  else if(ch == '?')
    termch = '?';
  else if(ch == '!')
    termch = '!';
  }

  /*Prints out the sentence reversed*/   
  printf("Reverse of sentence: ");
  for(j = len - 1; j >= 0; j--)
  {
  if(forward_sentence[j] == ' ')
    {
               
  }
  printf("%c", forward_sentence[j]);
  }
   
  printf("%c\n", termch)
  return 0;
 }

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Code:

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while(i < MAX

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Do you think that's enough? Is there space for the null terminator if the user really inputs as many characters as the value of MAX? I would have MAX-1 ..
Well, actually, I know see that you never put a null terminator at your sentence. That's dangerous.

Quote:

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Output Im getting:
Enter a sentence: you can cage a swallow can't you?
Reverse of sentence: uoy t'nac wollaws a egac nac uoy?

---

From here, you see what you doing. You go at the end of the sentence and you start printing the letters of every word in reverse order. Your logic should be to go at the end of the sentence, find where the last word begins, print that word in normal order. Then do the same with the prelast word and so on. A linked list would be an easy solution (you would print every node of the list from the last to the head, but I don't recommend it for this application).

Ok, I made an example. You should be inspired by it and do the logic (by modifying the code) to fit your code.
See my comments.

Code:

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#include <stdio.h>
#include <string.h>

int main(void)
{
    char sentence[50] = "My name, is George Samaras";
   
    // to be at the end of the word
    char* end = &sentence[strlen(sentence)];
   
    // like i counter in for loop
    char* worker;
   
    // 1 if the word that we print now is
    // not the first word of the sentence
    // This is a flag in other words
    int notFirstWord = 1;
   
    // a space, dot, etc.
    char separator;
   
    // to be at the start of the word
    char* start = &sentence[strlen(sentence)-1];
   
    // while we have something to read
    while(*end != sentence[0])
    {
        // while start point to a letter
        // (could use isalpha from ctype.h)
        while(*start != ' ' && *start != '.' && *start != ',')
        {
            // decrease start pointer until it reaches something
            // that's not a letter
            start--;
           
            // if it is the 1st word
            // change the variable notFirstWord
            if(*start == sentence[0])
            {
                notFirstWord = 0;
                break;
            }
        }
       
        // start points to the separator
        separator = *start;
       
        // if it is not the first word, then we need to move start one position
        // to point to the 1st letter of the word. Print until we find the end
        // of the word
        for(worker=start+notFirstWord ; worker != end ; worker++)
            printf("%c", *worker);
        if(notFirstWord)
            printf("%c", separator);
   
        // update end pointer
        end = start;
       
        // go the previous character
        start--;
    }
   
    return 0;
}

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Now, I got to go to a party, so enjoy coding without me around!! Ciao!!