XeNTaX

Im trying to rip the models from these two games, but the problem is when i extract the files, the model as in " 0.Vbuf and 4.IBUF!!!, the files is 0 and 4 when these as been 0 and 0, When i remame the file to "0.ibuf" and i try open appears " You cannot read more of the sequence" and when i try open the files normatly, appears the Vbuf dosent found in the carpet, What i can do?!

please help me, because i need these files!