gonzui

t2ex

bsd_source/t2ex/network/net/src_bsd/sys/ioccom.h - 3.3KB - 69 lines

62:         (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))
63: #define _IO(g,n)        _IOC(IOC_VOID, (g), (n), 0)
64: #define _IOR(g,n,t)     _IOC(IOC_OUT,       (g), (n), sizeof(t))
65: #define _IOW(g,n,t)     _IOC(IOC_IN,        (g), (n), sizeof(t))
66: /* this should be _IORW, but stdio got there first */
67: #define _IOWR(g,n,t)    _IOC(IOC_INOUT,    (g), (n), sizeof(t))
68: