#include <iostream>#include <string>using namespace std;const unsigned int URL_LEN=256;bool IsFilterLink(string plink);int main(){	string str="http://cen.ccer.edu.cn/cn/daohang/o?href=//cn/ReadNews.asp?NewsID=6122 class=red>?D??D??￠href=/cn/ReadNews.asp";	string str1="http://www.cenet.org.cn/ttp//cn/tougao/ougao/list.asp";	string str2="http://162.105.80.57/scripts/SnapShot.exe?SortType=1&Site=//202.120.8.76/bin0/bin/ftp://202.120.8.76/bin0/bin/awk/";	if( IsFilterLink(str2) ){		cout << "find" << endl;	}	return 0;}	/* * Filter spam links * If it is, return ture; otherwise false */bool IsFilterLink(string plink){	if( plink.empty() ) return false;	if( plink.size() > URL_LEN ) return false;	string link = plink, tmp;	string::size_type idx = 0;		//CStrFun::Str2Lower( link, link.length() );	// find two times following symbols, return false	tmp = link;	idx = tmp.find(":");	if( idx != string::npos ) tmp = tmp.substr(idx+1);	idx = tmp.find(":");	if( idx != string::npos ) return false;	tmp = link;	idx = tmp.find("?");	if( idx != string::npos ) tmp = tmp.substr(idx+1);	idx = tmp.find("?");	if( idx != string::npos ) return false;	tmp = link;	idx = tmp.find("&");	if( idx != string::npos ) tmp = tmp.substr(idx+1);	idx = tmp.find("&");	if( idx != string::npos ) return false;	tmp = link;	idx = tmp.find("//");	if( idx != string::npos ) tmp = tmp.substr(idx+1);	idx = tmp.find("//");	if( idx != string::npos ) return false;	tmp = link;	idx = tmp.find("http");	if( idx != string::npos ) tmp = tmp.substr(idx+1);	idx = tmp.find("http");	if( idx != string::npos ) return false;	const char *filter_str[]={		"gate", "search", "clickfile?dir1", "data/scop", "uhtbin",		"staff/staff", "enter", "userid", "pstmail?", "pst?",		"find?", "ccc?", "fwd?", "tcon?", "&amp",		"Counter?", "forum", "cgisirsi", "{", "}",		"proxy", "login", "mailto:", "javascript:", "direction=-",		"direction=+", "cgi-bin/sciserv.pl","sign.asp","<",">",		"snapshot","cgi-bin/bbs","review.asp?","Result.asp?","keyword",		"\"","'","SnapShot.exe"		};	int filter_str_num = 38;		for(int i=0; i<filter_str_num; i++){		if( link.find(filter_str[i]) != string::npos)		return true;	}		return false;}