HelenOS sources

td_t               55 uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.h } __attribute__((packed, aligned(32))) td_t;
td_t               95 uspace/drv/bus/usb/ohci/hw_struct/transfer_descriptor.h } __attribute__((packed, aligned(32))) td_t;
td_t               98 uspace/drv/bus/usb/uhci/hw_struct/transfer_descriptor.h } __attribute__((packed, aligned(16))) td_t;