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Module sys/externs

sys/externs
Stability: **Not public API, and not intended to become it.** This file is the list of C runtime symbols the async I/O layer calls, one `extern` per symbol, and it exists so that the typed modules above it have something to bind against. The names are the C runtime's, the signatures are raw pointers and `i32`s, and an entry appears or disappears whenever the emitted runtime gains or loses a function — the waker primitives arrived this way in 2026-09-11, and each such arrival is SEED-GATED, because the seed compiler emits a runtime that does not yet contain the new symbol. Nothing here will be frozen. Callers want `std/fs`, `std/net`, `std/process` or `std/async`; the members carry no `///` documentation for the same reason, and that is deliberate rather than a gap in the doc sweep. — stable modules only change additively; this one may still change.

Extern C runtime function declarations.

All low-level extern functions for async I/O operations.

Stability

Not public API, and not intended to become it. This file is the list of C runtime symbols the async I/O layer calls, one extern per symbol, and it exists so that the typed modules above it have something to bind against. The names are the C runtime's, the signatures are raw pointers and i32s, and an entry appears or disappears whenever the emitted runtime gains or loses a function — the waker primitives arrived this way in 2026-09-11, and each such arrival is SEED-GATED, because the seed compiler emits a runtime that does not yet contain the new symbol.

Nothing here will be frozen. Callers want std/fs, std/net, std/process or std/async; the members carry no /// documentation for the same reason, and that is deliberate rather than a gap in the doc sweep.