LPCONDITIONPROC

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
nothrow extern (C)
alias LPCONDITIONPROC = int function(LPWSABUF, LPWSABUF, LPQOS, LPQOS, LPWSABUF, LPWSABUF, GROUP*, DWORD)

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