please answer the following hw question

The following program is executed and the parent and child processes are given the parent PID of 2500 and child PID of 2603. What are the values of the variable pid1 and pid2 at the lines labeled A, B, C, and D in the comments in the code.

#include

#include

#include

int main() {

pid_t pid1, pid2;

pid1 = fork(); //*A*

if (pid1 < 0) {

printf("Error!")

}

else if (pid1 == 0) {

pid2 = getpid(); //*B*

printf("c: pid1 = %d ", pid1);

printf("c: pid2 = %d ", pid2);

}

else {

pid2 = getpid(); //*C*

printf("p: pid1 = %d ", pid1);

printf("p: pid2 = %d ", pid2);

}

return 0; //*D*

}