i saw this question in one of DREAM companies

i dont know the answer

On Mon, Aug 22, 2011 at 11:43 AM, dexter does <[email protected]> wrote:

> void red()
> {
>
> }
> void green()
> {
>
> }
> main()
> {
>       fork();
>       int color=fork();
>       if(color==0)
>                   fork();
>       red();
>       if(color==0)
>                   fork();
>       green();
>       getch();
>
> }
>
>
> How many times red and green are called and pls give an explanation for
> your answer
>
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