PI433_TX_CFG_IOCTL_NR 135 drivers/staging/pi433/pi433_if.h #define PI433_IOC_RD_TX_CFG _IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)]) PI433_TX_CFG_IOCTL_NR 136 drivers/staging/pi433/pi433_if.h #define PI433_IOC_WR_TX_CFG _IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])