PI433_RX_CFG_IOCTL_NR 138 drivers/staging/pi433/pi433_if.h #define PI433_IOC_RD_RX_CFG _IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)]) PI433_RX_CFG_IOCTL_NR 139 drivers/staging/pi433/pi433_if.h #define PI433_IOC_WR_RX_CFG _IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])