(module
 (func $open (import "env" "open") (param i32 i32) (result i32))
 (func $write (import "env" "write") (param i32 i32 i32) (result i32))
 (memory $mem 1)
 (data (i32.const 200) "stdout")
 (data (i32.const 230) "Hello, world!\n")
 (func $main (result i32)
    (i32.const 200)
    (i32.const 42)
    (call $open)
    (i32.const 230)
    (i32.const 14)
    (call $write)
    (drop)
    (i32.const 0))
 (export "main" (func $main)))