+/* Return a GMime stream for this open file descriptor, un-gzipping if
+ * necessary */
+GMimeStream *g_mime_stream_gzfile_new (int fd);
+
+/* Return a GMime stream for this path, un-gzipping if
+ * necessary */
+GMimeStream *g_mime_stream_gzfile_open (const char *filename);
+
+/**
+ * Get last 16 hex digits of fingerprint ("keyid")
+ */
+const char *g_mime_certificate_get_fpr16 (GMimeCertificate *cert);
+/**
+ * Return the contents of the appropriate address header as a string
+ * Should be freed using g_free
+ */
+char *g_mime_message_get_address_string (GMimeMessage *message, GMimeAddressType type);
+
+InternetAddressList *g_mime_message_get_addresses (GMimeMessage *message, GMimeAddressType type);