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_IOC_READ36include/asm-alpha/ioctl.h#define _IOC_READ  2U
_IOC_READ47include/asm-i386/ioctl.h#define _IOC_READ  2U
_IOC_READ44include/asm-mips/ioctl.h#define _IOC_READ  2U
_IOC_READ31include/asm-ppc/ioctl.h#define _IOC_READ  2U
_IOC_READ24include/asm-sparc/ioctl.h#define _IOC_READ        2U