The following C++ code is from a lab from my class and there isa lot that if unfamiliar to me, can someone please write notes nearthe lines explaining what each line does.
//msg1.cpp/* Here’s the receiver program. */#include <stdlib.h>#include <stdio.h>#include <string.h>#include <errno.h>#include <unistd.h>#include <sys/types.h>#include <sys/ipc.h>#include <sys/msg.h>struct my_msg_st { long int my_msg_type; char some_text[BUFSIZ];};int main(){ int running = 1; int msgid; struct my_msg_st some_data; long int msg_to_receive = 0;/* First, we set up the message queue. */ msgid = msgget((key_t)1234, 0666
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