unknown NtUser* syscall parameters

_From [bruen...@google.com](https://code.google.com/u/109494838902877177630/) on July 12, 2011 17:29:33_

split from issue #484 /\* FIXME: not sure whether these are arrays and if so how long they are */
{0,"NtUserInitializeClientPfnArrays", UNKNOWN, 16, {{0,sizeof(PFNCLIENT),R,}, {1,sizeof(PFNCLIENT),R,}, {2,sizeof(PFNCLIENTWORKER),R,}, }},

```
/* FIXME: lots of pointers inside USERCONNECT */
{0,"NtUserProcessConnect", UNKNOWN, 12, {{1,sizeof(USERCONNECT),W,}, }},
```

USERCONNECT is in ntuser.h

```
/* FIXME: not sure whether `#2` is in or out */
{0,"NtUserSBGetParms", OK, 16, {{2,sizeof(SBDATA),W,}, {3,SYSARG_SIZE_IN_FIELD,W,offsetof(SCROLLINFO,cbSize)}, }},
```

_Original issue: http://code.google.com/p/drmemory/issues/detail?id=487_