Index: /trunk/archive/pslib/include/psError.h
===================================================================
--- /trunk/archive/pslib/include/psError.h	(revision 381)
+++ /trunk/archive/pslib/include/psError.h	(revision 382)
@@ -35,4 +35,7 @@
 
 void psErrorStackPrint(FILE *fd, const char *fmt, ...);	///< print the errorstack to this file descriptor
+void psVErrorStackPrint(FILE *fd,	//< write to this file descriptor
+			const char *fmt,//< format for any header information; may be NULL
+			va_list ap);	//< arguments for format
 
 #endif
