Не отправляется post запрос

    char f[200];
    char postRequest[512];
    std::ostringstream stream;
    stream << GetHWID();
    std::string hwidstr = stream.str();
    sprintf(postRequest, "in=%s", hwidstr.c_str());
    Post(XorStr("ip-адрес"), XorStr("/license/check.php"), postRequest, szResponse);

#pragma once
#define _WIN32_WINNT 0x0400
#include <Windows.h>
#include <string>
#include <iostream>
#include <conio.h>
#include "stdio.h"
#include <WinInet.h> 
 
 
#pragma comment (lib, "Wininet.lib")
#pragma comment (lib, "urlmon.lib")
#pragma comment(lib, "Advapi32.lib")
#pragma comment(lib, "User32.lib")
 
 
bool Post(const std::string& host, const std::string& path, const std::string& szPostData, std::string &data)
{
 
    char httpUseragent[512];
    DWORD szhttpUserAgent = sizeof(httpUseragent);
 
 
    HINTERNET hOpen = InternetOpen(httpUseragent, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
 
    if (!hOpen)
    {
        InternetCloseHandle(hOpen);
        return false;
    }
 
    HINTERNET hConnect = InternetConnect(hOpen, host.c_str(), INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, WININET_API_FLAG_SYNC, 0);
 
    if (!hConnect)
    {
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hOpen);
        return false;
    }
 
    static char lpszHeader[] = "Content-Type: application/x-www-form-urlencoded\r\n";
 
    LPCSTR lplpszTypes[2] = { "*/*", NULL };
    HINTERNET hRequest = HttpOpenRequest(hConnect, "POST", path.c_str(), NULL, NULL, lplpszTypes, INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE, 0);
 
    if (!hRequest)
    {
        InternetCloseHandle(hRequest);
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hOpen);
        return false;
    }
 
    size_t hDataLength = szPostData.length();
 
    if (!HttpSendRequest(hRequest, lpszHeader, -1, const_cast<PCHAR>(szPostData.c_str()), static_cast<DWORD>(hDataLength)))
    {
        InternetCloseHandle(hConnect);
        InternetCloseHandle(hOpen);
        return false;
    }
    std::string strResponse;
    const int nBuffSize = 1024;
    char buff[nBuffSize];
 
    BOOL bKeepReading = true;
    DWORD dwBytesRead = -1;
 
    while (bKeepReading && dwBytesRead != 0)
    {
        bKeepReading = InternetReadFile(hRequest, buff, nBuffSize, &dwBytesRead);
        strResponse.append(buff, dwBytesRead);
    }
 
    data = strResponse;
 
    InternetCloseHandle(hRequest);
    InternetCloseHandle(hConnect);
    InternetCloseHandle(hOpen);
 
 
    return true;
}