Function miniextendr_write_wasm_registry 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn miniextendr_write_wasm_registry(
    path_sexp: SEXP,
) -> SEXP

C-callable entry point for wasm_registry.rs generation via cdylib.

Pairs with miniextendr_write_wrappers: same cdylib, separate .Call, independent output path. Host-only; the generated file itself is then consumed at compile time by the user crate’s wasm32 build via install_wasm_runtime_slices.

Safety

path_sexp must be a valid STRSXP of length >= 1.