// acpiioct.h

void ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT(
    Argument
);
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Windows hardware development documentation (acpi-method-argument-length-from-argument)

ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro

The ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT macro calculates the size, in bytes, of the data that is contained in the Data array of an ACPI_METHOD_ARGUMENT structure.

Parameters

Argument A pointer to an ACPI_METHOD_ARGUMENT structure.

Return value

The size, in bytes, of the data that is contained in the Data array of the ACPI_METHOD_ARGUMENT structure that Argument points to.

Remarks

A driver can use this macro to determine the size, in bytes, of the data in the Data array of an ACPI_METHOD_ARGUMENT structure.

Requirements

Target platform: Desktop

Header: acpiioct.h (include Acpiioct.h)

ACPI_METHOD_ARGUMENT_LENGTH_FROM_ARGUMENT - NtDoc