SV = IV(0x238b30) at 0x238b34
  REFCNT = 1
  FLAGS = (IOK,pIOK)
  IV = 123
123
SV = PVIV(0x182005c) at 0x238b34
  REFCNT = 1
  FLAGS = (IOK,POK,pIOK,pPOK)
  IV = 123
  PV = 0x23f23c "123"\0
  CUR = 3
  LEN = 4