WAP to copy the value of one array into another array in reverse order

Defination :: WAP to copy the value of one array into another array in reverse order

Source Code ::

void main()
{
    char n[20];
    int no,a=0;
    clrscr();
    printf("enter string");
    scanf("%s",n);
    for(no=0;n[no]!='\0';no++)
    {
        a++;
    }
    for(no=a-1;no>=0;no--)
    {
        printf("%c",n[no]);
    }

getch();
}