Паскалевский эквивалент StrTok

function NextToken( P : PChar ; Divider : PChar ) : PChar ;
const
  next : PChar = nil ;
begin
  if P = nil then
    P := next ;
  if P <> nil then
  begin
    next := StrPos( P, Divider ) ;
    if next <> nil then
    begin
      next^ := #0 ;
      next := @next[ StrLen( Divider ) ] ;
    end ;
  end ;
  NextToken := P ;
end ;