What is output of the following program?
int main()
{
fork();
fork();
fork();
if (wait(0) == -1)
printf("leaf child\n");
}
int main()
{
fork();
fork();
fork();
if (wait(0) == -1)
printf("leaf child\n");
}A. "leaf child" will be printed 1 times
B. "leaf child" will be printed 3 times
C. "leaf child" will be printed 4 times
D. "leaf child" will be printed 8 times
Answer: Option C
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