What is the output of the following code:

int main$()$

$\{$

int $x=1$;

if $(fork()==0)$

$x++$;

else

$x-$cdots;

printf$("\%$d$\backslash$t$",x)$; $//$print value of $x$

return $0$ ;

$\}$

Select one:

a$.0$

b$.-1$

c$.20$ or $02$

d$.2$