curl_ftp_upload

• 64 bit development environment is required, and all uploaded libraries are 64 bit versions
• windows cmake: cmake -G "Visual Studio 15 Win64" ..

reference

• download: https://github.com/curl/curl/releases
• ref：
  • https://curl.haxx.se/libcurl/c/ftpuploadresume.html
  • https://curl.haxx.se/libcurl/c/ftpgetinfo.html
• python use cffi，ref：https://www.cnblogs.com/ccxikka/p/9637545.html