tabs and tab overview

base64.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <stdint.h>
+#include <stddef.h>
+
+char *base64_decode(const char *s, size_t *out_len);
+char *base64_encode(const uint8_t *data, size_t size);
+void base64_encode_final(const uint8_t *data, size_t size, char result[4]);