Microsoft Windows NT 3.51 DDK (3.51.1057.1)

WDK-Samples/Microsoft Windows NT 3.51 DDK (3.51.1057.1)/SRC/COMM/DIRS

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+DIRS=intpar     \
+     parclass   \
+     parport    \
+     parsimp    \
+     parstat    \
+     pollpar    \
+     serial

WDK-Samples/Microsoft Windows NT 3.51 DDK (3.51.1057.1)/SRC/COMM/INC/NTDDPAR.H

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+/*++ BUILD Version: 0001    // Increment this if a change has global effects
+
+Copyright (c) 1990-1993  Microsoft Corporation
+
+Module Name:
+
+    ntddpar.h
+
+Abstract:
+
+    This is the include file that defines all constants and types for
+    accessing the Parallel device.
+
+Author:
+
+    Steve Wood (stevewo) 27-May-1990
+
+Revision History:
+
+--*/
+
+//
+// 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_PAR_BASE                  FILE_DEVICE_PARALLEL_PORT
+#define IOCTL_PAR_QUERY_INFORMATION     CTL_CODE(FILE_DEVICE_PARALLEL_PORT,1,METHOD_BUFFERED,FILE_ANY_ACCESS)
+#define IOCTL_PAR_SET_INFORMATION       CTL_CODE(FILE_DEVICE_PARALLEL_PORT,2,METHOD_BUFFERED,FILE_ANY_ACCESS)
+
+//
+// NtDeviceIoControlFile InputBuffer/OutputBuffer record structures for
+// this device.
+//
+
+typedef struct _PAR_QUERY_INFORMATION{
+       UCHAR Status;
+} PAR_QUERY_INFORMATION, *PPAR_QUERY_INFORMATION;
+
+typedef struct _PAR_SET_INFORMATION{
+       UCHAR Init;
+} PAR_SET_INFORMATION, *PPAR_SET_INFORMATION;
+
+#define PARALLEL_INIT            0x1
+#define PARALLEL_AUTOFEED        0x2
+#define PARALLEL_PAPER_EMPTY     0x4
+#define PARALLEL_OFF_LINE         0x8
+#define PARALLEL_POWER_OFF       0x10
+#define PARALLEL_NOT_CONNECTED   0x20
+#define PARALLEL_BUSY            0x40
+#define PARALLEL_SELECTED        0x80
+