a) The purpose of the code on line 19, i.e., what does this line of code accomplish?

b) The purpose of the code on lines 21-27 (if statement). Make sure to explain each possibility handled by the if.

4 @author: student namel, student2@uncc.edu 5 author: student name2, student2@uncc.edu 7 @description: A program that demonstrates processes. 9 @course: ITSC 3146 10 @assignment: In-class activity [n] 12 13 14 #include 15 #includeunistd.h> 16 17 int mainOl 18 19 20 21 pid_t id = fork(); if(id 1) { ) else if (id -- 0) std::cout