mkfifo("mypipe");if (!fork()) {fp = popen("echo 37 > mypipe", "w");%Dstatus = pclose(fp);} else {printf("14");sleep(1);fp = popen("cat mypipe", "r");fgets(buffer, buffer_size, fp);printf("%s", buffer);status = pclose(fp);%3D}Consider the above code fragment, what's the output to stdout?

First of all the program creates a pipe named mypipe. After that the fork() command is executed.…

Answered: mkfifo("mypipe"); if (!fork()) { fp…

mkfifo("mypipe"); if (!fork()) { fp popen("echo 37 > mypipe", "w"); status = pclose(fp); } else { printf("14"); sleep(1);

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

mkfifo("mypipe");
if (!fork()) {
fp = popen("echo 37 > mypipe", "w");
%D
status = pclose(fp);
} else {
printf("14");
sleep(1);
fp = popen("cat mypipe", "r");
fgets(buffer, buffer_size, fp);
printf("%s", buffer);
status = pclose(fp);
%3D
}
Consider the above code fragment, what's the output to stdout?

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