string_vformat_trc(gstring * g, const uschar * func, unsigned line,
unsigned size_limit, unsigned flags, const char *format, va_list ap)
{ return NULL; }
+extern uschar *string_sprintf_trc(const char *, const uschar *, unsigned , ...);
+extern BOOL split_spool_directory;
+extern uschar * queue_name;
/******************************************************************************/