What does the highlighted if statement in the following code do$?$

int value;

int index;

for $($index $=0$; $100000000>$ index; index $=$ index $+1)\{$

$/*$ code to manipulate value $($omitted for clarity$)*/$

if $(0==($index $\%10000))\{$

printf $("$current value: $\%$d

$",$ value$)$;

$\}$

$\}$