pszFileName (PSZ) - input
The file name to be identified.
pmmioinfo (PMMIOINFO) -
input
A pointer to the MMIOINFO
buffer that might contain additional data. Normally this is NULL, but
is needed for compound-file elements when they are not fully qualified.
pfccStorageSystem (PFOURCC)
- output
Pointer to the FOURCC code of the storage
system that gets returned upon successful completion.
rc (ULONG) - returns