Таймаут при отправке файла на сервер

void send(PCSTR domain, PCSTR file, SIZE_T fileSize)
{
    CHAR* szReq = (CHAR*)malloc(fileSize + 6);
    wnsprintfA(szReq, fileSize + 6, "file=%s", file);
 
    HINTERNET hIntSession = InternetOpenA("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36", INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, INTERNET_FLAG_KEEP_CONNECTION);
    HINTERNET hHttpSession = InternetConnectA(hIntSession, domain, 80, 0, 0, INTERNET_SERVICE_HTTP, 0, NULL);
    HINTERNET hHttpRequest = HttpOpenRequestA(hHttpSession, "POST", "index.php", 0, 0, 0, INTERNET_FLAG_RELOAD, 0);
 
    const WCHAR* szHeaders = L"Content-Type: application/x-www-form-urlencoded";
    HttpSendRequestW(hHttpRequest, szHeaders, lstrlenW(szHeaders), (CHAR*)szReq, lstrlenA(szReq));
 
    InternetCloseHandle(hHttpRequest);
    InternetCloseHandle(hHttpSession);
    InternetCloseHandle(hIntSession);
    free((CHAR*)szReq);
}

void send(PCSTR domain, PCSTR file, SIZE_T fileSize)
{
    CHAR* szReq = (CHAR*)malloc(fileSize + 6);
    wnsprintfA(szReq, fileSize + 6, "file=%s", file);
 
    HINTERNET hIntSession = InternetOpenA("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36", INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, INTERNET_FLAG_KEEP_CONNECTION);
    HINTERNET hHttpSession = InternetConnectA(hIntSession, domain, 80, 0, 0, INTERNET_SERVICE_HTTP, 0, NULL);
    HINTERNET hHttpRequest = HttpOpenRequestA(hHttpSession, "POST", "index.php", 0, 0, 0, INTERNET_FLAG_RELOAD, 0);
 
    DWORD dwTimeOut = 100 * 1000; // In milliseconds
    InternetSetOption(hHttpRequest, INTERNET_OPTION_CONNECT_TIMEOUT, &dwTimeOut, sizeof(dwTimeOut));
    InternetSetOption(hHttpRequest, INTERNET_OPTION_RECEIVE_TIMEOUT, &dwTimeOut, sizeof(dwTimeOut));
    InternetSetOption(hHttpRequest, INTERNET_OPTION_SEND_TIMEOUT, &dwTimeOut, sizeof(dwTimeOut)); DWORD dwRetries = 5;
    InternetSetOption(hHttpRequest, INTERNET_OPTION_CONNECT_RETRIES, &dwRetries, sizeof(dwRetries));
    const WCHAR* szHeaders = L"Content-Type: application/x-www-form-urlencoded";
    HttpSendRequestW(hHttpRequest, szHeaders, lstrlenW(szHeaders), (CHAR*)szReq, lstrlenA(szReq));
 
    InternetCloseHandle(hHttpRequest);
    InternetCloseHandle(hHttpSession);
    InternetCloseHandle(hIntSession);
    free((CHAR*)szReq);
}