Index: trunk/Ohana/src/opihi/include/shell.h
===================================================================
--- trunk/Ohana/src/opihi/include/shell.h	(revision 27255)
+++ trunk/Ohana/src/opihi/include/shell.h	(revision 27435)
@@ -153,5 +153,5 @@
 
 char 	     *memstr        		PROTO((char *m1, char *m2, int n));
-int  	      write_fmt     		PROTO((int fd, char *format, ...));
+int  	      write_fmt     		PROTO((int fd, char *format, ...)) OHANA_FORMAT(printf, 2, 3);
 char 	     *opihi_version 		PROTO((void));
 char 	     *strip_version 		PROTO((char *input));
@@ -167,7 +167,7 @@
 FILE         *gprintGetFile   		PROTO((gpDest dest));
 char         *gprintGetName   		PROTO((gpDest dest));
-int           gprint          		PROTO((gpDest dest, char *format, ...));
+int           gprint          		PROTO((gpDest dest, char *format, ...)) OHANA_FORMAT(printf, 2, 3);
 int           gwrite          		PROTO((char *buffer, int size, int N, gpDest dest));
-int           gprint_syserror           PROTO((gpDest dest, int myError, char *format, ...));
+int           gprint_syserror           PROTO((gpDest dest, int myError, char *format, ...)) OHANA_FORMAT(printf, 3, 4);
 int           gprintv                   PROTO((gpDest dest, char *format, va_list argp));