rc (ULONG) - returns

Return codes.
• Success

  ERROR_INVALID_PARAMETER(87)

  An invalid buffer given.
  PMERR_SPL_ALREADY_INITIALIZED(0x4FFD)
  The spooler is already enabled.
  PMERR_SPL_NO_MEMORY(0x4007)
  Not enough memory to enable spooler.

  ---

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