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Diffstat (limited to 'public/sdk/inc/ntddmodm.h')
-rw-r--r-- | public/sdk/inc/ntddmodm.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/public/sdk/inc/ntddmodm.h b/public/sdk/inc/ntddmodm.h new file mode 100644 index 000000000..edb1996dd --- /dev/null +++ b/public/sdk/inc/ntddmodm.h @@ -0,0 +1,35 @@ +/*++ BUILD Version: 0001 // Increment this if a change has global effects + +Copyright (c) 1995 Microsoft Corporation + +Module Name: + + ntddmodm.h + +Abstract: + + This is the include file that defines all constants and types for + accessing the modem device. + +Author: + + Tony Ercolano (tonye) 14-Jul-1995 + +Revision History: + +--*/ + + +// +// NtDeviceIoControlFile IoControlCode values for this device. +// + +#define IOCTL_MODEM_GET_PASSTHROUGH CTL_CODE(FILE_DEVICE_MODEM, 1,METHOD_BUFFERED,FILE_ANY_ACCESS) +#define IOCTL_MODEM_SET_PASSTHROUGH CTL_CODE(FILE_DEVICE_MODEM, 2,METHOD_BUFFERED,FILE_ANY_ACCESS) + + +#define MODEM_NOPASSTHROUGH 0x00000000U +#define MODEM_PASSTHROUGH 0x00000001U +#define MODEM_DCDSNIFF 0x00000002U + + |