Eric Blake wrote: > Are there still broken platforms out there where tolower() disobeys > the POSIX requirement that it leave the argument unchanged if it was not > already an upper-case letter?
This portability problem is very old. I don't think it's still relevant, but I don't know for sure. > so we can directly use tolower() here without expanding the > argument multiple times? I would not put side effects into the argument of tolower(): Some platforms may expand it into a macro which evaluates the argument more than once. Bruno
