https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/bthddi/ns-bthddi-_brb_header?redirectedfrom=MSDN
_BRB_HEADER (bthddi.h) - Windows drivers | Microsoft Learn
The BRB_HEADER structure contains header information about a Bluetooth request block (BRB), including information about the BRB type that the Bluetooth driver...
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