Backport patches to 0.38#1161

Merged

sunfishcode merged 3 commits into0.38from

Sep 11, 2024

Commits on Sep 11, 2024

Fix the name of `c_ispeed`/`c_ospeed` on powerpc musl targets. (#1158)
sunfishcode
committed
Fix `recv_uninit` to handle the `TRUNC` flag. (#1159)
sunfishcode
committed
Update POSIX reference URLs to 1003.1-2024. (#1160)
sunfishcode
committed