74 report_bulk_libusb_error(int r)  in report_bulk_libusb_error()  argument
76     switch (r) {  in report_bulk_libusb_error()
94         D("Error %d during transfer\n", r);  in report_bulk_libusb_error()
102     int r = 0;  in usb_bulk_write()  local
105     r = libusb_bulk_transfer(uh->devh, uh->end_point_address[1], (void *)data, len,  in usb_bulk_write()
108     if (r != 0) {  in usb_bulk_write()
110         report_bulk_libusb_error(r);  in usb_bulk_write()
111         return r;  in usb_bulk_write()
120     int r = 0;  in usb_bulk_read()  local
123     r = libusb_bulk_transfer(uh->devh, uh->end_point_address[0], data, len,  in usb_bulk_read()
126     if (r != 0) {  in usb_bulk_read()
128         report_bulk_libusb_error(r);  in usb_bulk_read()
129         return r;  in usb_bulk_read()
388     int r = libusb_get_device_descriptor(dev, &desc);  in check_device()  local
390     if (r != LIBUSB_SUCCESS) {  in check_device()
420     r = libusb_get_active_config_descriptor(dev, &config);  in check_device()
422     if (r != 0) {  in check_device()
423         if (r == LIBUSB_ERROR_NOT_FOUND) {  in check_device()
447     r = libusb_open(dev, &uh.devh);  in check_device()
450     if (r != 0) {  in check_device()
451         switch (r) {  in check_device()
466                 D("check_device(): libusb triggered error %d\n", r);  in check_device()
478         r = libusb_claim_interface(uh.devh, uh.interface);  in check_device()
480         if (r < 0) {  in check_device()
494             r = libusb_control_transfer(uh.devh,   in check_device()
499             if (r <= 0) {  in check_device()
504             languageCount = (r - 2) / 2;  in check_device()
509                 r = libusb_control_transfer(uh.devh,   in check_device()
514                 if (r > 0) { /* converting serial */  in check_device()
516                     r /= 2;  in check_device()
518                     for (j = 1; j < r; ++j)  in check_device()
548     int r = libusb_kernel_driver_active(uh->devh, uh->interface);  in check_device_connected()  local
550     if (r == LIBUSB_ERROR_NO_DEVICE)  in check_device_connected()
553     if (r < 0)  in check_device_connected()
632     int r = libusb_init(&ctx);  in usb_init()  local
634     if (r != LIBUSB_SUCCESS) {  in usb_init()