Question: 4 . 1 7 Consider the following code segment: pid t pid; pid = fork ( ) ; if ( pid = = 0 )

4.17 Consider the following code segment:
pid t pid;
pid = fork();
if (pid ==0){/* child process */
fork();
thread create(...);
}
fork();
a. How many unique processes are created?
b. How many unique threads are created?

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