// smclib.h

typedef struct _SMARTCARD_REPLY {
  PUCHAR Buffer;
  ULONG  BufferSize;
  ULONG  BufferLength;
} SMARTCARD_REPLY, *PSMARTCARD_REPLY;
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Windows Driver Kit DDI reference (ns-smclib-_smartcard_reply)

_SMARTCARD_REPLY structure

Description

Describes the reply buffer received from the smart card.

Members

`Buffer`

Pointer to a buffer that receives smart card data.

`BufferSize`

Size of the buffer pointed to by Buffer.

`BufferLength`

Number of bytes received from the card.

Remarks

The client driver must receive data in this buffer and adjust BufferLength to the number of received bytes.

SMARTCARD_REPLY - NtDoc