Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- a -

• actual_length : libusb_iso_packet_descriptor , libusb_transfer
• altsetting : libusb_interface

- b -

• bAlternateSetting : libusb_interface_descriptor
• bcdDevice : libusb_device_descriptor
• bcdUSB : libusb_device_descriptor
• bConfigurationValue : libusb_config_descriptor
• bDescriptorType : libusb_config_descriptor , libusb_ss_endpoint_companion_descriptor , libusb_device_descriptor , libusb_bos_dev_capability_descriptor , libusb_bos_descriptor , libusb_endpoint_descriptor , libusb_usb_2_0_extension_descriptor , libusb_ss_usb_device_capability_descriptor , libusb_interface_descriptor , libusb_container_id_descriptor
• bDevCapabilityType : libusb_usb_2_0_extension_descriptor , libusb_ss_usb_device_capability_descriptor , libusb_container_id_descriptor , libusb_bos_dev_capability_descriptor
• bDeviceClass : libusb_device_descriptor
• bDeviceProtocol : libusb_device_descriptor
• bDeviceSubClass : libusb_device_descriptor
• bEndpointAddress : libusb_endpoint_descriptor
• bFunctionalitySupport : libusb_ss_usb_device_capability_descriptor
• bInterfaceClass : libusb_interface_descriptor
• bInterfaceNumber : libusb_interface_descriptor
• bInterfaceProtocol : libusb_interface_descriptor
• bInterfaceSubClass : libusb_interface_descriptor
• bInterval : libusb_endpoint_descriptor
• bLength : libusb_config_descriptor , libusb_ss_endpoint_companion_descriptor , libusb_bos_dev_capability_descriptor , libusb_bos_descriptor , libusb_usb_2_0_extension_descriptor , libusb_ss_usb_device_capability_descriptor , libusb_container_id_descriptor , libusb_interface_descriptor , libusb_device_descriptor , libusb_endpoint_descriptor
• bmAttributes : libusb_ss_usb_device_capability_descriptor , libusb_config_descriptor , libusb_usb_2_0_extension_descriptor , libusb_endpoint_descriptor , libusb_ss_endpoint_companion_descriptor
• bMaxBurst : libusb_ss_endpoint_companion_descriptor
• bMaxPacketSize0 : libusb_device_descriptor
• bmRequestType : libusb_control_setup
• bNumConfigurations : libusb_device_descriptor
• bNumDeviceCaps : libusb_bos_descriptor
• bNumEndpoints : libusb_interface_descriptor
• bNumInterfaces : libusb_config_descriptor
• bRefresh : libusb_endpoint_descriptor
• bRequest : libusb_control_setup
• bReserved : libusb_container_id_descriptor
• bSynchAddress : libusb_endpoint_descriptor
• bU1DevExitLat : libusb_ss_usb_device_capability_descriptor
• bU2DevExitLat : libusb_ss_usb_device_capability_descriptor
• buffer : libusb_transfer

- c -

• callback : libusb_transfer
• ContainerID : libusb_container_id_descriptor

- d -

• describe : libusb_version
• dev_capability : libusb_bos_descriptor
• dev_capability_data : libusb_bos_dev_capability_descriptor
• dev_handle : libusb_transfer

- e -

• endpoint : libusb_interface_descriptor , libusb_transfer
• events : libusb_pollfd
• extra : libusb_endpoint_descriptor , libusb_interface_descriptor , libusb_config_descriptor
• extra_length : libusb_config_descriptor , libusb_endpoint_descriptor , libusb_interface_descriptor

- f -

• fd : libusb_pollfd
• flags : libusb_transfer

- i -

• iConfiguration : libusb_config_descriptor
• idProduct : libusb_device_descriptor
• idVendor : libusb_device_descriptor
• iInterface : libusb_interface_descriptor
• iManufacturer : libusb_device_descriptor
• interface : libusb_config_descriptor
• iProduct : libusb_device_descriptor
• iSerialNumber : libusb_device_descriptor
• iso_packet_desc : libusb_transfer

- l -

• length : libusb_iso_packet_descriptor , libusb_transfer

- m -

• major : libusb_version
• MaxPower : libusb_config_descriptor
• micro : libusb_version
• minor : libusb_version

- n -

• nano : libusb_version
• num_altsetting : libusb_interface
• num_iso_packets : libusb_transfer

- r -

• rc : libusb_version

- s -

• status : libusb_iso_packet_descriptor , libusb_transfer

- t -

• timeout : libusb_transfer
• type : libusb_transfer

- u -

• user_data : libusb_transfer

- w -

• wBytesPerInterval : libusb_ss_endpoint_companion_descriptor
• wIndex : libusb_control_setup
• wLength : libusb_control_setup
• wMaxPacketSize : libusb_endpoint_descriptor
• wSpeedSupported : libusb_ss_usb_device_capability_descriptor
• wTotalLength : libusb_config_descriptor , libusb_bos_descriptor
• wValue : libusb_control_setup