string reverse without using strrev()

STRING REVERSE WITHOUT USING STRREV()

#include <stdio.h>

void main()

{

char st1[30],st2[30];

int l,i,j;

puts("enter a string");

gets(st1);

for(l=0;st1[l]!=0;l++)

j=l-1;

for(i=0;i<l;i++,j--)

    st2[i]=st1[j];

st2[i]=0;

printf("original : %s\nReverse:%s",st1,st2);

}

OUTPUT

Enter a string sirisha

Original sirisha

Reverse ahsiris