#include ""#include ""#include ""#include ""#include ""#include ""#pragma comment(lib,"WSOCK32")#define SERVER_PORT 5000#define DefaultHTML ""SOCKET sockfd;char *r200 = "HTTP/ 200\n";char *r302 = "HTTP/ 302 Found\n";char *notfound ="HTTP/ 404 Not Found\n";char *header = "Content-type: text/html\n";char *end = "\n";char *version="";void WriteRedirect(SOCKET connfd,char *loc){time_t now;char Buffer[1025];now=time(NULL);send(connfd,r302,strlen(r302),0);sprintf(Buffer,"Location: %s\n",loc);send(connfd,Buffer,strlen(Buffer),0);sprintf(Buffer,"Server: Web Chat Server %s\n",version);send(connfd,Buffer,strlen(Buffer),0);sprintf(Buffer,"Date: %s",ctime(&now)); /* ctime 输出的时候自动在行尾输出\n */sprintf(Buffer,"Expires: %s",ctime(&now)); /* ctime 输出的时候自动在行尾输出\n */sprintf(Buffer,"Last-Modified: %s",ctime(&now)); /* ctime 输出的时候自动在行尾输出\n */send(connfd,Buffer,strlen(Buffer),0);sprintf(Buffer,"Cache-Control: no-cache\nPragma: no-cache\n");send(connfd,Buffer,strlen(Buffer),0);send(connfd,header,strlen(header),0);send(connfd,end,strlen(end),0);}void main(){char Server_name[128];WSADATA wsaData;struct hostent *hp;struct sockaddr_in addrServer;SOCKADDR addrtemp;int nlen = sizeof(addrtemp); SOCKET connfd;char *data="HTTP/ 200 OK\r\nDate: Tue, 21 Sep 2001 02:19:57 GMT\r\nServer: iis5\r\nContent-Type: text/html\r\n\r\n<html><head><title>
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