What is printed to the screen by the following C program? Assume this code is running on an x$86-64$ computer with Linux.

#include

int main$()\{$

int $*$c $=$ malloc$(6*$ sizeof$($int$))$;

printf$("\%$zu

$",$ sizeof$($c$))$;

free$($c$)$;

return $0$;

$\}$