调用动态库！

#include

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#include

//客户端初始化 获取handle上下

typedef int(*CltSocketInit)(void **handle);

//客户端发报文

typedef int(*CltSocketSend)(void *handle, unsigned char *buf, int buflen);

//客户端收报文

typedef int(*CltSocketRev)(void *handle, unsigned char *buf, int *buflen);

//客户端释放资源

typedef int(*CltSocketDestory)(void *handle);//以上都是指针函数

int main(){

HINSTANCE hinstance = NULL;

hinstance = ::LoadLibrary("D:\\SocketClient.dll");//获得句柄

CltSocketInit cltSocketInit = (CltSocketInit)GetProcAddress(hinstance, "cltSocketInit");//获取函数地址传给函数指针！

CltSocketSend cltSocketSend = (CltSocketSend)GetProcAddress(hinstance, "cltSocketSend");

CltSocketRev cltSocketRev = (CltSocketRev)::GetProcAddress(hinstance, "cltSocketRev");

CltSocketDestory cltSocketDestory = (CltSocketDestory)::GetProcAddress(hinstance, "cltSocketDestory");

void *handle = NULL;

unsigned char buf[100];

int buflen = 10;

memcpy(buf, "ddddddddddssssssssss", 10);

unsigned char out[100] = { 0 };

int outlen = 0;

int ret = cltSocketInit(&handle);

ret = cltSocketSend(handle, buf, buflen);

ret = cltSocketRev(handle, out, &outlen);

ret = cltSocketDestory(handle);

printf("out:%s", out);

system("pause");

}