service.c

主要是其于linux c编程

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

#define MSGKEY 75

struct User
{
	char username[50];//username用户名
	char userpwd[50];//pwd密码
}myuser[50];

struct Ticket
{
	int num;//code票代号
	char address[50];//arrive address目的地
	int numbers;//数量
}myticket[50];

struct Msguser//used for msg用于消息
{
	long mtype;
	int csid;
	int op;
	int num;
	int numbers;
   char username[50];
   char userpwd[50];
}user;
 
struct Msgticket//used for msg用于消息
{
	long mtype;
	int num;
	char address[50];
	int numbers;
}ticket;

int count_user=0;
int count_ticket=0;
int msgqid;
int msgqid1;
typedef struct User USER;
typedef struct Ticket TICKET;
typedef struct Msguser MSGUSER;
typedef struct Msgticket MSGTICKET;

int user_init();
int ticket_init();
int login();
void ticket_list(int);
int ticket_book(int,int);
int newuser();
int newticket();
int changticket(int,int);
main()
{
	int op,i,pid;
	int msgqid=msgget(MSGKEY,IPC_CREAT|0777);
	int msgqid1=msgget(76,IPC_CREAT|0777);
	if(user_init()!=1){
	   printf("user.dat open faild锛