Yuki Okushi 083a253e53
Rollup merge of #99277 - joshtriplett:stabilize-core-cstr-alloc-cstring, r=Mark-Simulacrum
Stabilize `core::ffi::CStr`, `alloc::ffi::CString`, and friends

Stabilize the `core_c_str` and `alloc_c_string` feature gates.

Change `std::ffi` to re-export these types rather than creating type
aliases, since they now have matching stability.
2022-07-16 17:53:04 +09:00
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