SV = PV(0x2076e35a3b0) at 0x2076e41b338
  REFCNT = 1
  FLAGS = (POK,pPOK)                     <- Not sharing a buffer
  PV = 0x2077084ae90 "zzz...zzz"\0
  CUR = 60
  LEN = 62
SV = PV(0x2076e35a3b0) at 0x2076e41b338
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x2077084ae90 "Hello there"\0     <- Same address. Same buffer
  CUR = 11
  LEN = 62