Rollup of 3 pull requests#138680

Closed

Sakib25800 wants to merge 8 commits intorust-lang:masterfrom

Sakib25800:rollup-bntnvjq

Commits on Jan 28, 2025

clarify BufRead::{fill_buf, consume} docs
hkBst
committed

Commits on Mar 4, 2025

exit: document interaction with C
RalfJung
committed

Commits on Mar 17, 2025

move new section into platform-specific behavior, as it is unix-specific
RalfJung
committed

Commits on Mar 18, 2025

Commits on Mar 19, 2025