表驱动法一

#include "stdafx.h"
#include <stdio.h>
#include <string.h>
#include <math.h>
#include<stdlib.h>
#include <dos.h>
#include <conio.h>



typedef enum  _Event_Type
{
    connect_usb_event,
    disconnect_usb_event,
    update_samples_event
}Event_Type;

typedef struct _event_process
{
    Event_Type event;
    int(*event_process)(void* input, void* output);
}Event_Process;


static int  connect_usb(void* input, void* output)
{
    printf("connect_usb\n");

    return 0;
}

static int  disconnect_usb(void* input, void* output)
{
    printf("disconnect_usb\n");

    return 0;
}

static int  update_samples(void* input, void* output)
{
    printf("update_samples\n");

    return 0;
}



static Event_Process  event_process[] =
{
    {connect_usb_event,connect_usb},
    {disconnect_usb_event,disconnect_usb},
    {update_samples_event,update_samples},

};


static int Cur_Event = 0;

int main()
{
    int i = 0;

    for (i = 0; i<sizeof(event_process)/sizeof(Event_Process); i++)
    {    
        if (Cur_Event == event_process[i].event)
        {
            ((event_process[i].event_process))(NULL, NULL);
        }
    }

    getchar();

    return 0;
}