c_ulong

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. alias c_ulong = uint
  2. alias c_ulong = ulong
  3. alias c_ulong = uint
    version(!Windows)
    extern (C)
    static if(!((void*).sizeof > int.sizeof))
    alias c_ulong = uint

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