--- gnushogi/gnushogi.h~	2004-07-08 09:16:35.000000000 +0900
+++ gnushogi/gnushogi.h	2006-08-06 02:31:33.000000000 +0900
@@ -139,11 +139,6 @@
 #  endif
 #endif
 
-#ifdef HAVE_SETLINEBUF
-/* Not necessarily included in <stdio.h> */
-extern void setlinebuf(FILE *__stream);
-#endif
-
 #define RWA_ACC "r+"
 #define WA_ACC "w+"
 #ifdef BINBOOK