rem: void dump_endpoint_info(int i, usb_endpoint_info* ep_inf)
add: dump_endpoint_info(int i, usb_endpoint_info *ep_inf)
context: void dump_endpoint_info(int i, usb_endpoint_info* ep_inf){	dprintf("    endpoint %d:\n",i);	dprintf("      address:         %d, %s\n",ep_inf->descr->endpoint_address & 0x07, (ep_inf->descr->endpoint_address & 0x80)?"IN":"OUT");	dprintf("      transfer type:   %s\n",attr(ep_inf->descr->attributes));	dprintf("      max_packet_size: %d\n",ep_inf->descr->max_packet_size);	dprintf("      interval:        %d\n",ep_inf->descr->interval);	dprintf("     usb_pipe handle:  %p\n",ep_inf->handle);}