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;
+uschar *
+string_sprintf_trc(const char * fmt, const uschar * func, unsigned line, ...)
+{ return NULL; }
+BOOL split_spool_directory;
+uschar * queue_name;
/******************************************************************************/