Index: trunk/Ohana/src/libfits/include/gfitsio.h
===================================================================
--- trunk/Ohana/src/libfits/include/gfitsio.h	(revision 33648)
+++ trunk/Ohana/src/libfits/include/gfitsio.h	(revision 35162)
@@ -123,4 +123,5 @@
 off_t   gfits_data_size                PROTO((Header *header));
 off_t   gfits_data_min_size            PROTO((Header *header));
+off_t   gfits_data_pad_size            PROTO((off_t rawsize));
 int 	gfits_extended_to_primary      PROTO((Header *header, int simple, char *comment));
 int 	gfits_primary_to_extended      PROTO((Header *header, char *exttype, char *comment));