Index: trunk/Ohana/src/libfits/include/gfitsio.h
===================================================================
--- trunk/Ohana/src/libfits/include/gfitsio.h	(revision 18270)
+++ trunk/Ohana/src/libfits/include/gfitsio.h	(revision 20652)
@@ -138,5 +138,5 @@
 
 void   	gfits_add_matrix_value         PROTO((Matrix *matrix, int x, int y, double value)); 
-int    	gfits_convert_format           PROTO((Header *header, Matrix *matrix, int outBitpix, double outScale, double outZero, int outUnsign));
+int    	gfits_convert_format           PROTO((Header *header, Matrix *matrix, int outBitpix, double outScale, double outZero, int inBlank, int outUnsign));
 int     gfits_copy_matrix              PROTO((Matrix *in, Matrix *out)); 
 int     gfits_create_matrix            PROTO((Header *header, Matrix *matrix)); 
@@ -157,5 +157,5 @@
 int     gfits_uncompress_image 	       PROTO((Header *header, Matrix *matrix, FTable *ftable));
 int     gfits_uncompress_data  	       PROTO((char *zdata, int Nzdata, char *cmptype, char **optname, char **optvalue, int Nopt, char *outdata, int *Nout, int out_pixsize));
-int     gfits_distribute_data  	       PROTO((Matrix *matrix, int bitpix, char *data, int Ndata, int *otile, int *ztile, float zscale, float zzero));
+int     gfits_distribute_data  	       PROTO((Matrix *matrix, int bitpix, char *data, int Ndata, int *otile, int oblank, int *ztile, int zblank, float zscale, float zzero));
 int     gfits_byteswap_zdata   	       PROTO((char *zdata, int Nzdata, int bitpix));
 int     gfits_extension_is_compressed  PROTO((Header *header));