_IOC - Haiku

73

#define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0)

75

#define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t))

77

#define _IOW(g,n,t) _IOC(IOC_IN , (g), (n), sizeof(t))

80

#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))

94

#define _IO(tag,num) _IOC(0,tag,num,0)

95

#define _IOW(tag,num,type) _IOC(1,tag,num,sizeof(type))

96

#define _IOR(tag,num,type) _IOC(2,tag,num,sizeof(type))

97

#define _IOWR(tag,num,type) _IOC(3,tag,num,sizeof(type))