#ifndef __DB_H__
#define __DB_H__

#define NAMESIZE 30
#define NRSIZE 10
#define ACK 0
#define ADD 1
#define DEL 2
#define NR 3
#define NAME 4
#define EXIT 5
#define PRN 6
#define NACK 9

#define FILENAME "datafile"
#define TMPFILE  "tmpfile"
#define READLOCK  ".rlock"
#define WRITELOCK  ".wlock"
#define PERMS 0666

#include <stdio.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <netdb.h>

typedef struct msg{
	int op;				/* The type of operation */
	char nr[NRSIZE];		/* Telephone number */
	char name[NAMESIZE];		/* The name */
}msg;

typedef msg *msgPtr;

#endif