pdevinfo (PVOID) - output

Address of the area where the information is returned.

All returned device information is BYTE-sized, so this should be the address of a BYTE variable.

item (ULONG) - input

Device information to be returned.

This parameter has one of the possible values:

• DEVINFO_PRINTER Number of parallel or printer ports.

• DEVINFO_RS232
  Number of RS232 ports.

• DEVINFO_FLOPPY
  Number of diskette drives.

• DEVINFO_COPROCESSOR
  Presence of math coprocessor hardware:

  • No coprocessor hardware
    
  • Coprocessor hardware installed
  4
  DEVINFO_SUBMODEL
  PC Submodel Type. The returned information is the system submodel byte.
  5
  DEVINFO_MODEL
  PC Model Type. The returned information is the system model byte.
  6
  DEVINFO_ADAPTER
  Type of primary display adapter:
  • Monochrome or printer adapter
    
  • Other

  ulrc (APIRET) - returns

  Return Code.

  DosDevConfig returns one of the following values:

  • NO_ERROR 87
    ERROR_INVALID_PARAMETER
    For a full list of error codes, see Errors.

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