Choose the right answer please (operating system course)

What is the correct output * 1 #include 2 #include 3 #include 4 5 void forkexample() 6. { 7 int x = 1; 8 9 10 if (fork() = 0) printf("Child has x = = %d ", ++x); else printf("Parent has x = %d ", --x); 11 12 13 } 14 int main() 15 { 16 forkexample(); 17 return 0; 13 } 14 int main() 15 { 16 forkexample(); 17 return 0; 18 } Rintime error Child has x = 2 Parent has x = 0 Compilation error Parent has x = 0 Child has x = 2 Child has x = 2 Parent has x = 0