# cURL (libcurl) extension (optional) - CMake option: FUN_WITH_CURL=ON - Purpose: HTTP helpers using libcurl. - Homepage: https://curl.se/libcurl/ Opcodes: - OP_CURL_GET: GET; pops url:string; pushes body:string (empty on error/disabled) - OP_CURL_POST: POST; pops body:string, url:string; pushes response:string - OP_CURL_DOWNLOAD: Download to file; pops path:string, url:string; pushes 1/0 Notes: - Requires libcurl development headers/libs. - When disabled, helpers return empty strings/0 to match optional behavior.