WinInet
См. Пример ниже
...
hOpen = InternetOpen (...);
Connect = InternetConnect (
hOpen, // InternetOpen handle
"MyHttpServer", // Server name
INTERNET_DEFAULT_HTTPS_PORT,// Default HTTPS port - 443
"", // User name
"", // User password
INTERNET_SERVICE_HTTP, // Service
0, // Flags
0 // Context
);
hReq = HttpOpenRequest (
hConnect, // InternetConnect handle
"GET", // Method
"", // Object name
HTTP_VERSION, // Version
"", // Referrer
NULL, // Extra headers
INTERNET_FLAG_SECURE, // Flags
0 // Context
);
...