Reverse a String using recursion

 

Reverse a String using recursion

#include <stdio.h>
#include <string.h>
void reverse_string(char*, int, int);

int main()
{
//This array would hold the string upto 150 char
char string_array[150];
printf("Enter any string:");
scanf("%s", &string_array);
 
//Calling our user defined function
reverse_string(string_array, 0, strlen(string_array)-1);
printf("\nReversed String is: %s",string_array);
 
return 0;
}
 
void reverse_string(char *x, int start, int end)
{
char ch;
if (start >= end)
  return;
 
ch = *(x+start);
*(x+start) = *(x+end);
*(x+end) = ch;
 
//Function calling itself: Recursion
reverse_string(x, ++start, --end);
}

output