76 Voice API for Windows Operating Systems Library Reference — November 2003
ATDX_DEVTYPE( ) — return the device type
ATDX_DEVTYPE( )return the device type
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!Description
The ATDX_DEVTYPE( ) function returns the device type of the board or channel dev.
Possible return values are the following:
DT_DXBD
Board device (indicates virtual board)
DT_DXCH
Channel device
DT_PHYBD
Physical board device
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!Cautions
None.
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!Errors
This function will fail and return AT_FAILURE if an invalid board or channel device handle is
specified in dev.
Name: long ATDX_DEVTYPE(dev)
Inputs: int dev •valid board or channel device handle
Returns: device type if successful
AT_FAILURE if error
Includes: srllib.h
dxxxlib.h
Category: Extended Attribute
Mode: synchronous
Platform: DM3, Springware
Parameter Description
dev specifies the valid device handle obtained when a board or channel was opened
using dx_open( )