browser - How do I save a webpage using C++? Windows or Linux System -

i need know how save webpage using c++ on windows and/or linux.

step 1) current code opens webpage:

shellexecute(null, "open", websiteurl, null, null, sw_shownormal); 

step 2) step save webpage opened .txt

your here. 

step 3) attempt @ closing webpage after saving .txt; however, not work currently.

shellexecute(null, "close", websiteurl, null, null, sw_shownormal); 

this windows version. it's unicode result ascii.

#include "windows.h" #include "winhttp.h" #include <iostream> #include <string> #include <fstream>  #pragma comment(lib, "winhttp.lib")  bool readwebpage(std::string &source, bool secure, const wchar_t *url, const wchar_t *verb) {     source = "error";     bool  bresults = false;     hinternet hsession = null;     hinternet hconnect = null;     hinternet hrequest = null;      hsession = winhttpopen(l"example", winhttp_access_type_default_proxy, winhttp_no_proxy_name, winhttp_no_proxy_bypass, 0);     if (!hsession) goto error;      hconnect = winhttpconnect(hsession, url, secure ? internet_default_https_port : internet_default_http_port, 0);     if (!hconnect) goto error;      hrequest = winhttpopenrequest(hconnect, l"get", verb, null, winhttp_no_referer, winhttp_default_accept_types, secure ? winhttp_flag_secure : 0);     if (!hrequest) goto error;      if (!winhttpsendrequest(hrequest, winhttp_no_additional_headers, 0, winhttp_no_request_data, 0, 0, 0))         goto error;      if (!winhttpreceiveresponse(hrequest, null))         goto error;      source = "";     (dword size = 1, downloaded = 1; downloaded > 0;)     {         winhttpquerydataavailable(hrequest, &size);         if (!size) break;         std::string buf(size + 1, 0);         winhttpreaddata(hrequest, (lpvoid)&buf[0], size, &downloaded);         buf.resize(downloaded);         source += buf;     }  error:     if (hrequest) winhttpclosehandle(hrequest);     if (hconnect) winhttpclosehandle(hconnect);     if (hsession) winhttpclosehandle(hsession);      return bresults; }  int main() {     std::string src;      //false indicates not-secure website (http), true secure (https)     readwebpage(src, false, l"www.stackoverflow.com", l"questions/29547368");      //std::cout << src << std::endl;     std::ofstream f("c:\\temp\\test.txt");     f << src;      return 0; }