'return the FID associated with the requested filename'

def PARSE_NT_CREATE_ANDX_RESPONSE(self, data):

    try:
        (wct, andxcmd, rsrv1, andxoffset, oplock) = struct.unpack('<BBBHB', data[:6])
        (fid, caction, created, lastaccess, lastwrite, change) = struct.unpack('<HIQQQQ', data[6:44])
        (fattrib, size, eof, ftype, ipcstate, isdirectory, bytecount) = struct.unpack('<IQQHHBH', data[44:71])
        return fid
    except:
        return (-1)
