code to reverse the words in a sentnce
/**
* C program to reverse order of words in a string
*/
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 100 // Maximum string size
int main()
{
char str[100], reverse[100];
int len, i, index, wordStart, wordEnd;
printf("Enter any string: ");
gets(str);
len = strlen(str);
index = 0;
// Start checking of words from the end of string
wordStart = len - 1;
wordEnd = len - 1;
while(wordStart > 0)
{
// If a word is found
if(str[wordStart] == ' ')
{
// Add the word to the reverse string
i = wordStart + 1;
while(i <= wordEnd)
{
reverse[index] = str[i];
i++;
index++;
}
reverse[index++] = ' ';
wordEnd = wordStart - 1;
}
wordStart--;
}
// Finally add the last word
for(i=0; i<=wordEnd; i++)
{
reverse[index] = str[i];
index++;
}
// Add NULL character at the end of reverse string
reverse[index] = ' ';
printf("Original string n%snn", str);
printf("Reverse ordered words n%s", reverse);
return 0;
}