TapeClassCompareMemory function (minitape.h)

The TapeClassCompareMemory routine compares two memory buffers and returns the number of bytes that are equivalent.

Syntax

SCSIPORT_API ULONG TapeClassCompareMemory(
  [in, out] PVOID Source1,
  [in, out] PVOID Source2,
  [in]      ULONG Length
);

Parameters

[in, out] Source1

Pointer to the first buffer to be compared.

[in, out] Source2

Pointer to the second buffer to be compared.

[in] Length

Specifies the number of bytes to be compared.

Return value

TapeClassCompareMemory returns the number of bytes that are equivalent.

Remarks

A tape miniclass driver uses TapeClassCompareMemory to compare memory in a portable way. For example, a miniclass driver uses TapeClassCompareMemory in its TapeMiniVerifyInquiry routine to determine whether a given product ID matches one of the devices the driver supports.

Requirements

See also

TapeMiniVerifyInquiry