gonzui

t2ex

t2ex_source/include/t2ex/sys/ioctl.h - 4.9KB - 120 lines

82:         (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))
83: #define _IO(g,n)        _IOC(IOC_VOID, (g), (n), 0)
84: #define _IOR(g,n,t)     _IOC(IOC_OUT,       (g), (n), sizeof(t))
85: #define _IOW(g,n,t)     _IOC(IOC_IN,        (g), (n), sizeof(t))
86: /* this should be _IORW, but stdio got there first */
87: #define _IOWR(g,n,t)    _IOC(IOC_INOUT,    (g), (n), sizeof(t))
88: