--- ./prterror.c_orig	2025-04-21 05:22:20.598285254 -0500
+++ ./prterror.c	2025-04-21 05:31:15.113193199 -0500
@@ -23,6 +23,8 @@
 # include <ctype.h>	/* for isdigit() */
 #endif
 
+#define  STDARG
+#undef VARARGS
 #ifdef STDARG
 # include <stdarg.h>
 #else
--- ./zoofns.h_orig	2025-04-21 05:27:06.396478281 -0500
+++ ./zoofns.h	2025-04-21 05:31:08.400529218 -0500
@@ -94,7 +94,7 @@
 void fixslash PARMS ((char *));
 void makelist PARMS ((int, char *[], char *[], int, char *, char *, char *, int *));
 void memerr PARMS ((unsigned int));
-void prterror PARMS ((int, char *, ...));
+void prterror (int, char *, ...);
 void rootname PARMS ((char *, char *));
 void skip_files PARMS ((ZOOFILE, unsigned int *, unsigned int *, int *,
                   char [], long *));