学步园

#include <windows.h>
#include <stdio.h>

typedef void (__stdcall *connectcallback)(char* msg);

void __stdcall testcallback(char* msg)
{
    if(!strcmp(msg,"successful"))
    {
        printf("already conneted\n");
    }
    else if(!strcmp(msg,"failure"))
    {
        printf("conneting fail\n");
    }
}

int main(void)
{
    StartVenoVPN("veno1","veno1",testcallback);
    //在startvenovpn里面某个条件下实现对callback调用；startvenovpn可以在一个线程里调用回调函数；在回调函数里面实现消息传递；
}

#include <windows.h>
#include <stdio.h>

/* 回调函数 */
typedef void (*connectcallback)(char* msg);
void  testcallback(char* msg)
{
    if(!strcmp(msg,"successful"))
    {
        printf("already conneted\n");
    }
    else if(!strcmp(msg,"failure"))
    {
        printf("conneting fail\n");
    }
}

void fun_callback(connectcallback c);
void main(void)
{
    fun_callback(testcallback);
}

void fun_callback(connectcallback a){
    printf("call sucessful\n");
    a("successful");
}