--- BUILD/FreeWnn-1.1.1-a021/PubdicPlus/ctopd.c
+++ BUILD/FreeWnn-1.1.1-a021/PubdicPlus/ctopd.c
@@ -25,6 +25,7 @@
 #endif
 
 #include <stdio.h>
+#include <string.h>
 
 static char *program;
 
--- BUILD/FreeWnn-1.1.1-a021/PubdicPlus/wtopd.c
+++ BUILD/FreeWnn-1.1.1-a021/PubdicPlus/wtopd.c
@@ -25,6 +25,8 @@
 #endif
 
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 
 static char *program;
 
--- BUILD/FreeWnn-1.1.1-a021/Wnn/uum/basic_op.c
+++ BUILD/FreeWnn-1.1.1-a021/Wnn/uum/basic_op.c
@@ -48,6 +48,7 @@
 #    include <malloc.h>
 #  endif
 #endif /* STDC_HEADERS */
+#include <string.h>
 #include "jllib.h"
 #include "commonhd.h"
 #include "sdefine.h"
--- BUILD/FreeWnn-1.1.1-a021/Wnn/uum/hinsi.c
+++ BUILD/FreeWnn-1.1.1-a021/Wnn/uum/hinsi.c
@@ -30,6 +30,7 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 #include "commonhd.h"
 #include "sdefine.h"
 #include "sheader.h"
--- BUILD/FreeWnn-1.1.1-a021/Wnn/uum/jikouho.c
+++ BUILD/FreeWnn-1.1.1-a021/Wnn/uum/jikouho.c
@@ -30,6 +30,7 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 #include "jllib.h"
 #include "commonhd.h"
 #include "sdefine.h"
--- BUILD/FreeWnn-1.1.1-a021/Wnn/uum/printf.c
+++ BUILD/FreeWnn-1.1.1-a021/Wnn/uum/printf.c
@@ -30,6 +30,7 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 #include "commonhd.h"
 #include "sdefine.h"
 #include "sheader.h"
--- BUILD/FreeWnn-1.1.1-a021/Wnn/uum/touroku.c
+++ BUILD/FreeWnn-1.1.1-a021/Wnn/uum/touroku.c
@@ -32,6 +32,7 @@
 /* 登録のためのルーチン */
 
 #include <stdio.h>
+#include <string.h>
 #include "jllib.h"
 #include "commonhd.h"
 #include "sdefine.h"