static int up_receive(FAR struct uart_dev_s *dev, unsigned int *status) { uint8_t ch = z80_lowgetc(); *status = 0; return ch; }
static int up_receive(struct uart_dev_s *dev, uint32_t *status) { uint8_t ch = z80_lowgetc(); *status = 0; return ch; }
static int up_receive(FAR struct uart_dev_s *dev, unsigned int *status) { uint8_t ch = z80_lowgetc(); *status = 0; return ch; }
static int up_receive(struct uart_dev_s *dev, uint32_t *status) { uint8_t ch = z80_lowgetc(); *status = 0; return ch; }