serwer

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <string.h>
#include <signal.h>

#define MAX 10
#define SERWER 1

int IDqueue;

typedef struct message
{
    long msg_one;
    long msg_two;
    char text[MAX];
} Message;

int main()
{
    int size;
    int i, j, pid;
    Message msg;

    if ((IDqueue = msgget(10, IPC_CREAT | 0600)) == -1)
    {
        printf("Create message queue failed\n");
        exit(EXIT_FAILURE);
    }
    printf("ID of queue: %d\n",IDqueue);

    while (1)
    {
        printf("SERVER: Waiting on message...\n");
        msg.msg_one = SERWER;

        if (msgrcv(IDqueue, &msg, MAX+9, msg.msg_one, MSG_NOERROR) == -1)
        {
            perror("Recieve message failed\n");
            exit(EXIT_FAILURE);
        }

        printf("SERVER: Recieve - %s addressed to %ld\n", msg.text, msg.msg_one);

        size = strlen(msg.text);
        for ( i = 0; i < size; i++)
        {
            msg.text[i] = toupper(msg.text[i]);
        }

        msg.msg_one = msg.msg_two;
        printf("SERVER: Sending - %s ---> %ld\n", msg.text, msg.msg_one);

        if ((msgsnd(IDqueue, &msg, strlen(msg.text)+9, 0)) == -1)
        {
            printf("Message added failed\n");
            exit(EXIT_FAILURE);
        }
    }

}