On Wed, Dec 18, 2024 at 05:35:28PM -0500, David Malcolm wrote: > Is _Bool meant to be usable in c90?
It is a keyword even when GCC compiles with -std={c89,c90,gnu89,gnu90}
(why not, _Bool is a reserved identifier in C89).
With -pedantic/-pedantic-errors there is a pedwarn about using it as a type,
say
_Bool var;
/tmp/1.c:1:1: error: ISO C90 does not support boolean types [-Wpedantic]
1 | _Bool var;
| ^~~~~
Jakub
