String Reverse using Recursion C Program

This program is for Reversing a String Using Recursion. This is a part of Mumbai University MCA Colleges C Program and Data Structure MCA

#include<stdio.h>

#include<conio.h>

void revstring(char[],int);

void main()

{

          char str[20];

          clrscr();

         

          /* accept a string from the user */

          printf("\n Enter the string\n");

          fflush(stdin);

          gets(str);

 

          /*print the original string */

          printf("\n original string: %s\n",str);

          printf("\n Reversed string: ");

          revstring(str,0);

          getch();

 }

void revstring(char str[],int n)

{

          /* check for null string */

          if(str[n]=='\0')

                   return;

          revstring(str,n+1);

          printf("%c",str[n]);

}

OUTPUT:

Enter the string:       Data Structures

Original String:         Data Structures

Reversed String:       serutcurtS ataD

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