Question $3$: $[5$ marks$]($Tricky$)$

How many processes we have in this problem assuming the system calls are successful. Draw the family tree.

$```$

void main$($void$)\{$

for$($int i$=0$; i $<mtext></mtext><mn>4</mn>$; $++$i$)$

fork$($l$)$;

$\}$

$```$