GET_USBD_INTERFACE_SIZE macro

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The GET_USBD_INTERFACE_SIZE macro returns the number of bytes required to hold a USBD_INTERFACE_INFORMATION interface descriptor with its associated endpoint descriptors.

Syntax

ULONG GET_USBD_INTERFACE_SIZE(
  [in] ULONG   TotalEndpoints
);

Parameters

  • TotalEndpoints [in]
    Specifies the total number of endpoints (pipes) the interface has.

Return value

GET_USBD_INTERFACE_SIZE returns the number of bytes required to hold a USBD_INTERFACE_INFORMATION structure describing the interface and a USBD_PIPE_INFORMATION structure for each endpoint in the interface.

Requirements

Target platform

 Desktop

Header

 Usbdlib.h (include Usbdlib.h)

See also

USBD_INTERFACE_INFORMATION

USBD_PIPE_INFORMATION

 

 

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