function w $add(w %a, w %b) {              # Define a function add
@start
	%c =w add %a, %b                   # Adds the 2 arguments
	ret %c                             # Return the result
}
export function w $main() {                # Main function
@start
	%r =w call $add(w 1, w 1)          # Call add(1, 1)
	call $printf(l $fmt, ..., w %r)    # Show the result
	ret 0
}
data $fmt = { b "One and one make %d!\n", b 0 }