[Issue 24123] More definitions are needed for ImportC to function on macOS (additions needed for importc.h) / also, C11 atomics

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24123

Jeffrey H. Johnson <trnsz at pobox.com> changed:

           What    |Removed                     |Added
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            Summary|More definitions are needed |More definitions are needed
                   |for ImportC to function on  |for ImportC to function on
                   |macOS (additions needed for |macOS (additions needed for
                   |importc.h)                  |importc.h) / also, C11
                   |                            |atomics

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