DOSRename

function DOSRename(

  const oldName: STRPTR;

  const newName: STRPTR

):LongBool;

function DOSRename(

  const oldName: string;

  const newName: pChar

):Boolean;

function DOSRename(

  const oldName: pCHAR;

  const newName: string

):Boolean;

function DOSRename(

  const oldName: string;

  const newName: string

):Boolean;