GET_ISO_URB_SIZE - NtDoc
Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
// usbdlib.h
#define GET_ISO_URB_SIZE(n) (sizeof(struct _URB_ISOCH_TRANSFER)+\
sizeof(USBD_ISO_PACKET_DESCRIPTOR)*n)
View the official Windows Driver Kit DDI referenceNo description available.
The GET_ISO_URB_SIZE macro returns the number of bytes required to hold an isochronous transfer request.
#define GET_ISO_URB_SIZE(n) (sizeof(struct _URB_ISOCH_TRANSFER)+\
sizeof(USBD_ISO_PACKET_DESCRIPTOR)*n)
nSpecifies the number of isochronous transfer packets that will be part of the transfer request.
Gets the number of bytes required to hold an isochronous request with the given number of packets (n).