Can't believe this works

Makefile

@@ -10,4 +10,8 @@ test: tests.so
 	cgreen-runner $^
 debug:
 	cgreen-debug tests.so
+%o: %c
+	$(CC) -g -c -o $@ $^
+shortcodes.a: shortcodes.o
+	ar rcs $@ $^
 .PHONY: test debug

shortcodes.h

@@ -5,7 +5,8 @@
 // and goes on for len characters.
 struct chunk
 {
-    unsigned int start, len;
+    unsigned int start;
+    unsigned int len;
 };
 typedef struct chunk chunk;
 

spec/shortcodes_spec.cr

@@ -1,9 +1,11 @@
 require "./spec_helper"
 
-describe Shortcodes do
+describe "Shortcodes" do
   # TODO: Write tests
 
   it "works" do
-    false.should eq(true)
+    result = Shortcodes.parse("foo{{% bar %}}baz{{% /bar %}}qux");
+    p! result.sccount;
+    p! result.shortcodes[0].matching;
   end
 end

src/shortcodes.cr

@@ -1,6 +1,32 @@
-# TODO: Write documentation for `Shortcodes`
-module Shortcodes
-  VERSION = "0.1.0"
+@[Link(ldflags: "#{__DIR__}/../shortcodes.o")]
+lib Shortcodes
 
-  # TODO: Put your code here
-end
+  struct Chunk
+    start : UInt32
+    len : UInt32
+  end
+
+  struct ScError
+    position: UInt32
+    code : UInt32
+  end
+
+  struct Shortcode
+    whole : Chunk
+    name : Chunk
+    data : Chunk
+    matching : LibC::Char
+    argnames : Chunk[100]
+    argvals : Chunk[100]
+    argcount : UInt32
+  end
+
+  struct ScResult
+    shortcodes : Shortcode[100]
+    sccount : UInt32
+    errors : ScError[10]
+    errcount : UInt32
+  end
+
+  fun parse(input : Pointer(LibC::Char)) : ScResult;
+end