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Computer Networking: A Top-Down Approach (7th Edition)
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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#include <sys/types.h> #include <stdio.h> #include <unistd.h> int main() { pid-t pid, pid1; } /* fork a child process */ pid= fork(); if (pid < 0) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; } else if (pid == 0) { /* child process */ pid1= getpid(); printf("child: pid=%d",pid); /* A */ printf("child: pid1 = %d",pid1); /* B */ } else { /* parent process */ pid1= getpid(); printf("parent: pid = %d",pid); /* C */ printf("parent: pid1= %d",pid1); /* D */ wait (NULL); } return 0; Figure 3.23 What are the pid values?
Transcribed Image Text:#include <sys/types.h> #include <stdio.h> #include <unistd.h> int main() { pid-t pid, pid1; } /* fork a child process */ pid= fork(); if (pid < 0) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; } else if (pid == 0) { /* child process */ pid1= getpid(); printf("child: pid=%d",pid); /* A */ printf("child: pid1 = %d",pid1); /* B */ } else { /* parent process */ pid1= getpid(); printf("parent: pid = %d",pid); /* C */ printf("parent: pid1= %d",pid1); /* D */ wait (NULL); } return 0; Figure 3.23 What are the pid values?
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