Program to reverse the order of words in a given string
/**
* C program to reverse order of words in a string
*/
#include <stdio.h>
#include <string.h>
int main()
{
char string[100], reverse[100];
int len, i, index, wordStart, wordEnd;
printf(“Enter any string: “);
gets(string);
len = strlen(string);
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(string[wordStart] == ‘ ‘)
{
// Add the word to the reverse string
i = wordStart + 1;
while(i <= wordEnd)
{
reverse[index] = string[i];
i++;
index++;
}
reverse[index++] = ‘ ‘;
wordEnd = wordStart – 1;
}
wordStart–;
}
// Finally add the last word
for(i=0; i<=wordEnd; i++)
{
reverse[index] = string[i];
index++;
}
reverse[index] = ‘