-#define g_mime_message_set_subject(m,s) g_mime_message_set_subject(m,s,NULL)
-#define g_mime_multipart_signed_verify(mps,ctx,err) g_mime_multipart_signed_verify(mps, GMIME_ENCRYPT_NONE, err)
-#define g_mime_object_write_to_stream(o,s) g_mime_object_write_to_stream (o,NULL,s)
-#define g_mime_object_set_header(o,h,v) g_mime_object_set_header (o,h,v,NULL)