const char *
notmuch_message_get_filename (notmuch_message_t *message);
+/* Get the size in bytes of the full header section of 'message'.
+ *
+ * This is useful in conjunction with notmuch_message_get_filename
+ * for separately parsing the message header and content.
+ *
+ * Returns 0 in the case of any error.
+ */
+size_t
+notmuch_message_get_header_size (notmuch_message_t *message);
+
/* Get the value of the specified header from 'message'.
*
* The value will be read from the actual message file, not from the