On 2022/12/16 20:39, Andreas Schwab wrote: > On Dez 16 2022, Leizhen (ThunderTown) wrote: > >> Why consider the high bit? It is not memcmp(). If the high bit is set, >> it is the user's fault. > > Nope, the semantics of strcmp are defined on the full CHAR_MIN to > CHAR_MAX range. OK, I got it. > -- Regards, Zhen Lei