c.darwin: define MSG for macos (#24224)

* c.darwin: define MSG for macos

* darwin: add series os name

* Update lib/std/c.zig

Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>

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Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
35329b510cDacheng committed on 6/24/2025, 1:07:06 PM· committed by GitHubparent342c34d
2 files changedLine totals unavailable