msg.h

#ifndef _MSG_H
#define _MSG_H

#include <stdio.h>      /* for printf() and fprintf() */
#include <sys/socket.h> /* for socket(), bind(), and connect() */
#include <arpa/inet.h>  /* for sockaddr_in and inet_ntoa() */
#include <stdlib.h>     /* for atoi() and exit() */
#include <string.h>     /* for memset() */
#include <unistd.h>     /* for close() */
#include <stdint.h>

struct message {
	char msg[100];
	uint32_t type;
};

struct queue {
	int elements;
	struct message m[5];
};

typedef struct {
	enum {
		Client_Handshake, Send, Retrieve
	} request_Type; /* same size as an unsigned int */
	uint32_t SenderId; /* unique client identifier */
	uint32_t RecipientId; /* unique client identifier */
	char message[100];
} ClientMessage; /* an unsigned int is 32 bits = 4 bytes */

typedef struct {
	enum {
		Server_Handshake, New, Old, No_Message
	} messageType; /* same size as an unsigned int */
	uint32_t SenderId; /* unique client identifier */
	uint32_t RecipientId; /* unique client identifier */
	char message[100];
} ServerMessage; /* an unsigned int is 32 bits = 4 bytes */

#endif //_MSG_H