求VC高手解释一下语句

来源：百度知道 编辑：UC知道 时间：2024/06/06 16:42:05
#include
DWORD WINAPI ClientThread(LPVOID lpParam);
int main()
{
WORD wVersionRequested;
DWORD ret;
WSADATA wsaData;
BOOL val;
SOCKADDR_IN saddr;
SOCKADDR_IN scaddr;
int err;
SOCKET s;
SOCKET sc;
int caddsize;
HANDLE mt;
DWORD tid;
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 )

{
printf("error!WSAStartup failed!\n");
return -1;
}
saddr.sin_family = AF_INET;

saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
saddr.sin_port = htons(23);
if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
{
printf("error!socket failed!\n");

return -1;
}
val = TRUE;
//SO_REUSEADDR选项就是可以实现端口重绑定的
if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
{
printf("

这没啥说的啊! 就调用几个sock函数
#include
DWORD WINAPI ClientThread(LPVOID lpParam);
int main()
{
WORD wVersionRequested;
DWORD ret;
WSADATA wsaData;
BOOL val;
SOCKADDR_IN saddr;
SOCKADDR_IN scaddr;
int err;
SOCKET s;
SOCKET sc;
int caddsize;
HANDLE mt;
DWORD tid;
wVersionRequested = MAKEWORD( 2, 2 ); //取版本号
err = WSAStartup( wVersionRequested, &wsaData );//安装sock
if ( err != 0 )

{
printf("error!WSAStartup failed!\n");
return -1;
}
saddr.sin_family = AF_INET;

saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); //IP地址
saddr.sin_port = htons(23); //端口
if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) //创建一个套接字
{
printf("error!socket failed!\n");

return -1;
}
val = TRUE;
//SO_REUSEADDR选项就是可以实现端口重绑定的
if(setsockopt(s,SOL_SOCKET,SO_REUSEADD