Searched defs:_IO (Results 1 – 2 of 2) sorted by relevance
58 #define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0) macro
204 #define _IO(_c, _n) CTL_CODE(_WIN_NM_IOCTL_TYPE, ((_n) + 0x800) , \ macro