C stub generation.
Add a single header file with everything needed by generated stubs.
A map from types to public names for types.
A module of types and functions for use in generated bindings.
Generate 'external' declarations and wrappers from types.
A module for noalloc / float analysis.
Stub generation tests.
Test for calling atomic builtins via stub generation.
Test calling type-generic macros via generated stubs.