--- a/src/parallel_execution/examples/wc/WcImpl.cbc	Tue Apr 06 19:47:33 2021 +0900
+++ b/src/parallel_execution/examples/wc/WcImpl.cbc	Thu Apr 08 20:49:46 2021 +0900
@@ -2,6 +2,8 @@
 #include <stdio.h>
 #impl "Wc.h" as "WcImpl.h"
 #interface "WcResult.h"
+#include <stdlib.h>
+#define BUFFERING_MODE _IOLBF
 
 Wc* createWcImpl(struct Context* context, char* filename) {
     struct Wc* wc  = new Wc();
@@ -21,7 +23,7 @@
     printf("ファイルが開ませんでした\n");
     exit(1);
   } else {
-    printf("file open");
+    printf("file open\n");
   }
   wc->file = (union Data*)file; 
   goto countUp(wc, next);
@@ -40,6 +42,7 @@
     Count char
     TODO
     */
+  /*
   int N = 256;
   char str[N];
   int line = 0;
@@ -49,4 +52,22 @@
   }
   printf("line = %d\n", line);
   //goto countUp(wc, next);
+  */
+  
+  static char stdinBuf[BUFSIZ];
+  static char stdoutBuf[BUFSIZ];
+  int LINE_SIZE = 1024;
+  char line[LINE_SIZE];
+
+  if( setvbuf( wc->file, stdinBuf, BUFFERING_MODE, sizeof(stdinBuf)) != 0 ){
+    fputs("stdinのバッファリングを変更できませんでした。", stderr);
+    exit(EXIT_FAILURE);
+  } else {
+  printf("setvbuf\n");  
+  }
+  while(fgets(line, LINE_SIZE, wc->file)!=NULL){
+    printf("%s", line);
+  }
+ 
+
 }