📄 msg_server.c
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#include <stdlib.h>#include <stdio.h>#include <string.h>#include <sys/ipc.h>#include <sys/msg.h>#define MSGKEY 75struct my_msg {long mtype; char text[256]; };main(){ struct my_msg msgbuf; int running=1; int msgid; long int msg_to_receive=0; msgid=msgget(MSGKEY,0777|IPC_CREAT); if(msgid==-1) { printf("error\n"); exit(0); } while(running) { if (msgrcv(msgid,(void*)&msgbuf,256,msg_to_receive,0)==-1) { printf(" msgrcv error\n"); exit(0);} printf("you wrote:%s",msgbuf.text); if (strncmp(msgbuf.text,"end",3)==0) running=0; }/* if(msgctl(msgid,IPC_RMID,0)==-1) { printf("msgctl(IPC_RMID)error"); exit(1); }*/ exit(0);}
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