_IOC 40 arch/alpha/include/uapi/asm/ioctl.h #define _IOC(dir,type,nr,size) \ _IOC 39 arch/sparc/include/uapi/asm/ioctl.h #define _IOC(dir,type,nr,size) \ _IOC 69 include/uapi/asm-generic/ioctl.h #define _IOC(dir,type,nr,size) \