Macro scrypto::engine::wasm_api::wasm_extern_c

macro_rules! wasm_extern_c {
    (
        $(
            $(#[$meta:meta])*
            pub fn $fn_ident: ident ( $($arg_name: ident: $arg_type: ty),* $(,)? ) $(-> $rtn_type: ty)?;
        )*
    ) => { ... };
}