[libcxx-commits] [libcxx] [libc++] Define an internal locale API as a shim on top of the current one (PR #114596)

[Sean Perry via libcxx-commits]

perry-ca wrote:

@ldionne a number of the functions like `__islower()` are colliding with macro definitions in the ctype.h system header on z/OS.  What do you think about renaming these to be like `__libcpp_islower()`?

https://github.com/llvm/llvm-project/pull/114596