What is printed?

char var$1=\text{'}$s$\text{'}$;

char var$2=\text{'}$X$\text{'}$;

char $*$ptr$1,*$ptr$2$;

ptr$1=$ &var$1$;

ptr$2=$ &var$2$;

$*$ptr$2=*$ptr$1$;

printf$("\%$c$\backslash$t$\%$c$",*$ptr$1,$ var$2)$;