usb_hid_report_append_fields 54 uspace/lib/usbhid/include/usb/hid/hiddescriptor.h errno_t usb_hid_report_append_fields(usb_hid_report_t *report, usb_hid_report_append_fields 439 uspace/lib/usbhid/src/hiddescriptor.c usb_hid_report_append_fields(report,HelenOS homepage, sources at GitHub