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Diffstat (limited to '')
-rw-r--r-- | public/sdk/inc/ntddnull.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/public/sdk/inc/ntddnull.h b/public/sdk/inc/ntddnull.h new file mode 100644 index 000000000..c39c6ade2 --- /dev/null +++ b/public/sdk/inc/ntddnull.h @@ -0,0 +1,47 @@ +/*++ BUILD Version: 0001 // Increment this if a change has global effects + +Copyright (c) 1990-1993 Microsoft Corporation + +Module Name: + + ntddnull.h + +Abstract: + + This is the include file that defines all constants and types for + accessing the Null device. + +Author: + + Steve Wood (stevewo) 27-May-1990 + +Revision History: + +--*/ + +// +// Device Name - this string is the name of the device. It is the name +// that should be passed to NtOpenFile when accessing the device. +// +// Note: For devices that support multiple units, it should be suffixed +// with the Ascii representation of the unit number. +// + +#define DD_NULL_DEVICE_NAME "\\Device\\Null" + + +// +// NtDeviceIoControlFile IoControlCode values for this device. +// +// Warning: Remember that the low two bits of the code specify how the +// buffers are passed to the driver! +// + +#define IOCTL_NULL_BASE FILE_DEVICE_NULL + + +// +// NtDeviceIoControlFile InputBuffer/OutputBuffer record structures for +// this device. +// + |