Computer Systems: A Programmer's Perspective (3rd Edition)
Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
Question
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Chapter 8.4, Problem 8.3PP
Program Plan Intro

Given code:

//Include necessary header files

#include <stdio.h>

#include "csapp.h"

//Define a main function

int main()

{

//Check, fork() is equal to zero

if(fork()==0)

{

//True, Print a

printf("A\n");

//Flush the output buffer

fflush(stdout);

//Exit

exit(0);

}

//Otherwise

else

{

//Print b

printf("B\n");

//Flush the output buffer

fflush(stdout);

//Return status information

waitpid(-1,NULL,0);

}

//Print c

printf("C\n");

//Flush the output buffer

fflush(stdout);

//Exit

exit(0);

}

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