FD_SETSIZE

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. auto FD_SETSIZE;
  2. auto FD_SETSIZE;
  3. auto FD_SETSIZE;
    version(!linux && !OSX && !FreeBSD && solaris && X86_64)
    extern (C) const
    auto FD_SETSIZE = 65536;
  4. auto FD_SETSIZE;

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