1 files changed, 15 insertions, 3 deletions
diff --git a/include/typdown.h b/include/typdown.h
index 8de37d8..abf395d 100644
--- a/include/typdown.h
+++ b/include/typdown.h
@@ -1,8 +1,20 @@
 #pragma once
 #include <stdint.h>
+#include <stdlib.h>
+
+struct typdown_Error {
+    uint8_t code;
+    struct {size_t beg; size_t end;} location;
+};
+
+struct typdown_Document {
+    void *root;
+    struct typdown_Error *errors;
+    size_t errors_len;
+};
 
 char * typdown_getErrorString(uint8_t);
 
-void * typdown_parse(char *, uint8_t *);
-void typdown_free(void *);
-char * typdown_renderHTML(void *, uint8_t *);
+struct typdown_Document typdown_parse(char *);
+void typdown_free(struct typdown_Document);
+char * typdown_renderHTML(struct typdown_Document, uint8_t *);