Fan.Sys.Buf.seek C# (CSharp) Méthode

        public Buf seek(long pos)
        {
            long p = pos;
              long size = getSize();
              if (p < 0) p = size + p;
              if (p < 0 || p > size) throw IndexErr.make(pos).val;
              setPos(p);
              return this;
        }