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joshtriplettjoshtriplett
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Provide C FFI types via core::ffi, not just in std
The ability to interoperate with C code via FFI is not limited to crates using std; this allows using these types without std. The existing types in `std::os::raw` become type aliases for the ones in `core::ffi`. This uses type aliases rather than re-exports, to allow the std types to remain stable while the core types are unstable. This also moves the currently unstable `NonZero_` variants and `c_size_t`/`c_ssize_t`/`c_ptrdiff_t` types to `core::ffi`, while leaving them unstable.
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‎library/std/src/os/raw/char.md renamed to ‎library/core/src/ffi/c_char.md

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‎library/std/src/os/raw/double.md renamed to ‎library/core/src/ffi/c_double.md

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‎library/std/src/os/raw/float.md renamed to ‎library/core/src/ffi/c_float.md

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‎library/std/src/os/raw/int.md renamed to ‎library/core/src/ffi/c_int.md

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‎library/std/src/os/raw/long.md renamed to ‎library/core/src/ffi/c_long.md

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‎library/std/src/os/raw/longlong.md renamed to ‎library/core/src/ffi/c_longlong.md

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‎library/std/src/os/raw/schar.md renamed to ‎library/core/src/ffi/c_schar.md

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‎library/std/src/os/raw/short.md renamed to ‎library/core/src/ffi/c_short.md

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‎library/std/src/os/raw/uchar.md renamed to ‎library/core/src/ffi/c_uchar.md

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‎library/std/src/os/raw/uint.md renamed to ‎library/core/src/ffi/c_uint.md

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