DEVICE_TYPE_STR
strncmp(dataptr, DEVICE_TYPE_STR, strlen(DEVICE_TYPE_STR))
strncmp(vidptr, DEVICE_TYPE_STR,
strlen(DEVICE_TYPE_STR)) == 0) {
vidptr += strlen(DEVICE_TYPE_STR) + 1;
strncmp(vidptr, DEVICE_TYPE_STR,
strlen(DEVICE_TYPE_STR)) != 0) {