docs: def c2ln(c,l1,l2,n):
      "char[n] to two unsigned long???"
      c = c + n
      l1, l2 = U32(0), U32(0)
  
      f = 0
      if n == 8:
          l2 = l2 | (U32(c[7]) << 24)
          f = 1
      if f or (n == 7):
          l2 = l2 | (U32(c[6]) << 16)
          f = 1
      if f or (n == 6):
          l2 = l2 | (U32(c[5]) << 8)
          f = 1
      if f or (n == 5):
          l2 = l2 | U32(c[4])
          f = 1
      if f or (n == 4):
          l1 = l1 | (U32(c[3]) << 24)
          f = 1
      if f or (n == 3):
          l1 = l1 | (U32(c[2]) << 16)
          f = 1
      if f or (n == 2):
          l1 = l1 | (U32(c[1]) << 8)
          f = 1
      if f or (n == 1):
          l1 = l1 | U32(c[0])
      return (l1, l2)