void pointers with SWIG

[Steve Hanawalt]

Hello,

I've been trying to use SWIG to gain access to a DLL from a 3rd party
which I don't have the source code for, but I do have the .dll, the
.h, and the .lib.  The .h contains many functions such as:

FT_STATUS FT_ListDevices(
     PVOID pvArg1,
     PVOID pvArg2,
     DWORD Flags
     );

pvArg1 and pvArg2 can be both inputs and outputs depending on the
value of Flags.  A typical C call to this function would be:

FT_STATUS ftStatus;
DWORD numDevs;

ftStatus = FT_ListDevices(&numDevs,NULL,FT_LIST_NUMBER_ONLY);

If all works as expected, the number of devices connected is placed
into numDevs..

Alternatively if the function is called as:

FT_STATUS ftStatus;
char *BufPtrs[3];
char Buffer1[64];
char Buffer2[64];
DWORD numDevs;

BufPtrs[0] = Buffer1;
BufPtrs[1] = Buffer2;
BufPtrs[2] = NULL;

ftStatus = FT_ListDevices(BufPtrs,&numDevs,FT_LIST_ALL|FT_OPEN_BY_DESCRIPTION);

If all works as expected, the number of devices connected is placed
into numDevs and product descriptions are placed into Buffer1 and
Buffer2.

I've tried various typemaps, but I can't seem to get it to work.  I
keep getting an error in Python like: "Expected _p_PVOID"

Anyone been through this already that can provide me with the proper
insight.  I'm very new to SWIG and still fairly new to Python.

Thanks in advance.
Steve