2.1. What will be the output of the following code

#define TRIPPLE(x) (3*x)

int x = 4;

printf(triple(%d) = %d ,x+1, TRIPPLE(x+1));

a. triple(5) = 12

b. triple(5) = 13

c. triple(4) = 14

d. triple(4) = 15

e. none of the above

2.2. How many processes will be created by executing the following code:

int main() {

int cpid = 0;

cpid = fork();

cpid = fork();

cpid = fork();

sleep(10);

return(0);

}

a. 3

b. 5

c. 6

d. 8

e. none of the above