...
Notes
The source pointer (BHL) may point to the ":", "/" or "\" at the start of the segment or the start of the name itself.
Related calls
GN_Esa, read & write to filename segments
GN_Fcm, compress a filename
GN_Fex, expand a filename
GN_Opw, Open wildcard handler
GN_Prs, parse filename
GN_Wcl, close wildcard handle
GN_Wfn, fetch next match for wildcard string (handle)
GN_Wsm, match filename segment to wildcard string