subject_19725.htm

一些关于vc的问答

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序号：19725 发表者：migu 发表日期：2002-10-31 09:14:50
<br>主题：大家帮忙
<br>内容：刚开始写socket程序，这是我写的一个socket程序，运行时出现accept error!<BR>请大家帮忙看看<BR>//bow<BR>#include &lt;stdio.h&gt; <BR>#include &lt;iostream.h&gt;<BR>#include &lt;winsock2.h&gt;<BR>#include &lt;fcntl.h&gt; <BR>#include &lt;stdlib.h&gt;<BR>#pragma comment(lib,"Ws2_32.lib")<BR><BR>#define port 4034<BR>#define server "166.111.164.244"<BR>#define message "This is a test"<BR>int main(int argc,char argv[])<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;SOCKET sock;<BR>&nbsp;&nbsp;&nbsp;&nbsp;SOCKET client;<BR>&nbsp;&nbsp;&nbsp;&nbsp;WSADATA wsaData;<BR>&nbsp;&nbsp;&nbsp;&nbsp;int len;<BR>&nbsp;&nbsp;&nbsp;&nbsp;char mess[]="Hello";<BR>&nbsp;&nbsp;&nbsp;&nbsp;struct sockaddr_in tcpaddr,sclient;<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(WSAStartup(MAKEWORD(2,2),&wsaData)!=0)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf("Failed to load Winsocket!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return 1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;sock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(sock==SOCKET_ERROR)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf("Socket error!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return 1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;tcpaddr.sin_family=AF_INET;<BR>&nbsp;&nbsp;&nbsp;&nbsp;tcpaddr.sin_port=htons(port);<BR>&nbsp;&nbsp;&nbsp;&nbsp;tcpaddr.sin_addr.s_addr=htonl(INADDR_ANY);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(bind(sock,(struct sockaddr *)&tcpaddr,sizeof(tcpaddr))==SOCKET_ERROR)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf("bind error!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return 1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;listen(sock,5);<BR>&nbsp;&nbsp;&nbsp;&nbsp;client=accept(sock,(struct sockaddr *)&sclient,&len);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(client==INVALID_SOCKET)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;printf("accept error!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return 1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;send(client,mess,sizeof(mess),0);<BR>&nbsp;&nbsp;&nbsp;&nbsp;closesocket(sock);<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;WSACleanup();<BR>&nbsp;&nbsp;&nbsp;&nbsp;return 0;<BR><BR><BR>}
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<font color=red>答案被接受</font><br>回复者：CDMA2000 回复日期：2002-10-31 09:27:30
<br>内容：你在<BR>client=accept(sock,(struct sockaddr *)&sclient,&len);<BR>前加入<BR>len=sizeof(sclient);试试
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回复者：migu 回复日期：2002-10-31 09:45:09
<br>内容：thank whn!<BR>:)
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回复者：huxinqiang2000 回复日期：2002-11-01 05:49:08
<br>内容：你们都喜欢做dos程序吗.我可是不喜欢的呀。.
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