Program for reverse a string in c language.

#include<stdio.h>

#include<conio.h>

#include<string.h>

void main()

{

 char str[20],rev[20];

 int i,l,j;

 j=0;

 clrscr();

 printf("enter a string=");

 gets(str);

 l=strlen(str);

 printf("the length of string is =%d\n",l);

 for(i=l-1; i>=0; i--)

 {

  rev[j++]=str[i];

 }

 rev[j]='\0';

printf("the reverse string is =%s",rev);

getch();

}

■》 Output->

       enter a string=ved

       the length of string is =3

       the reverse string is =dev