https://issues.dlang.org/show_bug.cgi?id=20721

          Issue ID: 20721
           Summary: CurlOption: Add CURLOPT_TCP_KEEP*
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: andre@s-e-a-p.de

Please add these constants to CurlOption:

CURLOPT_TCP_KEEPALIVE
CURLOPT_TCP_KEEPIDLE
CURLOPT_TCP_KEEPINTVL

https://curl.haxx.se/libcurl/c/CURLOPT_TCP_KEEPALIVE.html

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