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C String Reverse
In this section, you will study how to reverse a string. You can see in the given example, a recursive function reverse(int i) is created.

C String Reverse

In this section, you will study how to reverse a string. You can see in the given example, a recursive function reverse(int i) is created. Inside the method, we are calculating the length of a specified string using a library function strlen(). Then string st[i] and st[strlen(st)-i-1] are swapped as: c= st[i];
st[i]=st[strlen(st)-i-1];
st[strlen(st)-i-1]=c;

Statements shown above will reverse the string.

Here is the code:

StringReverse.C


#include <stdio.h>

#include <conio.h>

#include <string.h>

int reverse(int i);

char st[]="Hello World";

void main() {

  printf("\nThe string is: %s", st);

  reverse(0);

  printf("\nReversed string is: %s", st);

  getch();

}

int reverse(int i) {

  if (i<(strlen(st)/2)) {

    char c;

    c= st[i];

    st[i]=st[strlen(st)-i-1];

    st[strlen(st)-i-1]=c;

  }

  return 0;

}

Output will be displayed as:

STRING~1.EXE

Download Source Code:

� View all related tutorials

Related Tags: c ide function language fun io pointer vi int id address define poi unc add to point attach feature base

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