Fixing markdown licensing && compilation issues.

include/cmark/references.h

@@ -0,0 +1,41 @@
+#ifndef CMARK_REFERENCES_H
+#define CMARK_REFERENCES_H
+
+#include "memory.h"
+#include "chunk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define REFMAP_SIZE 16
+
+struct cmark_reference {
+  struct cmark_reference *next;
+  unsigned char *label;
+  cmark_chunk url;
+  cmark_chunk title;
+  unsigned int hash;
+};
+
+typedef struct cmark_reference cmark_reference;
+
+struct cmark_reference_map {
+  cmark_mem *mem;
+  cmark_reference *table[REFMAP_SIZE];
+};
+
+typedef struct cmark_reference_map cmark_reference_map;
+
+cmark_reference_map *cmark_reference_map_new(cmark_mem *mem);
+void cmark_reference_map_free(cmark_reference_map *map);
+cmark_reference *cmark_reference_lookup(cmark_reference_map *map,
+                                        cmark_chunk *label);
+extern void cmark_reference_create(cmark_reference_map *map, cmark_chunk *label,
+                                   cmark_chunk *url, cmark_chunk *title);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif