Made on a Mac

On the shoulders of cheetahs 1.m

// Create and fill a buffer for with the raw markdown data.
struct sd_callbacks callbacks;
struct html_renderopt options;
const char *rawMarkdown = [markdownContent cStringUsingEncoding:NSUTF8StringEncoding];
struct buf *inputBuffer = bufnew(strlen(rawMarkdown));
bufputs(inputBuffer, rawMarkdown);

// Parse the markdown into a new buffer using Sundown.
struct buf *outputBuffer = bufnew(64);
sdhtml_renderer(&callbacks, &options, 0);
struct sd_markdown *markdown = sd_markdown_new(0, 16, &callbacks, &options);
sd_markdown_render(outputBuffer, inputBuffer->data, inputBuffer->size, markdown);
sd_markdown_free(markdown);

NSString *parsedContent = [NSString stringWithCString:bufcstr(outputBuffer) encoding:NSUTF8StringEncoding];

bufrelease(inputBuffer);
bufrelease(outputBuffer);

On the shoulders of cheetahs 2.m

<article class="post">
	<header class="post-header">
		<h1>{{title}}</h1>
		<span class="date">{{dateString}}</span>
	</header>
	<section class="post-content">
		{{{content}}}
	</section>
</article>