Added missing functions for pyodide

Since Pyodide is focused on running on desktop, this pull-request lacks
Javascript runtime functions. It also sorted alphabetically some functions

lib/emscripten/src/inet.rs

@@ -0,0 +1,6 @@
+use wasmer_runtime_core::vm::Ctx;
+
+pub fn addr(_ctx: &mut Ctx, _cp: i32) -> i32 {
+    debug!("inet::addr({})", _cp);
+    0
+}