Startpunkten

Lab4/db.h

@@ -0,0 +1,38 @@
+#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