const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Determines the number of bytes received by the printer interface from the device, waiting to be read. This indicates the number
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Determines the number of bytes received by the printer interface from the device, waiting to be read. This indicates the number