getsockopt

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. int getsockopt(socket_t s, int level, int optname, void* optval, int* optlen)
  2. int getsockopt(socket_t s, int level, int optname, void* optval, int* optlen)
    version(!Win32)
    package extern (C)
    int
    getsockopt
    (,
    int level
    ,,
    void* optval
    ,
    int* optlen
    )

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