Yes, i think so too. So a different <algorithm>, but the same <ctype.h>. The crucial __NO_CTYPE define is in <bits/os_defines.h>, which is part of the GCC para

Yes, i think so too. So a different <algorithm>, but the same <ctype.h>. The crucial __NO_CTYPE define is in <bits/os_defines.h>, which is part of the GCC paraphernalia. I don't know if clang's stdlib would also have to end up defining it.