diff -urN v5/fuga.py v6/fuga.py
--- v5/fuga.py	1970-01-01 09:00:00.000000000 +0900
+++ v6/fuga.py	2018-02-21 13:09:19.000000000 +0900
@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+
+import sys
+import time
+import random
+
+if __name__ == "__main__":
+
+	err = lambda s: sys.stderr.write(s+'\n')
+
+	while True:
+		s = sys.stdin.readline().strip()
+		err('get "{}"'.format(s))
+
+		i = random.randrange(len(s))
+		err('out "{}"'.format( s[i] ) )
+		print s[i]
+		sys.stdout.flush()
+# EOF
diff -urN v5/kon.py v6/kon.py
--- v5/kon.py	2017-10-19 23:00:00.000000000 +0900
+++ v6/kon.py	2018-02-21 13:09:19.000000000 +0900
@@ -19,7 +19,7 @@
 		if t in sys.argv:
 			return ''
 		t += '='
-		r = next( ( a[ len(t): ] for a in sys.argv if a.startwith(t) ), None )
+		r = next( ( a[ len(t): ] for a in sys.argv if a.startswith(t) ), None )
 		if r != None:
 			return r
 	return None
@@ -32,7 +32,7 @@
 		if h:
 			host = h
 		if p:
-			port = p
+			port = int(p)
 	else:
 		if s.isdigit():
 			port = int(s)
@@ -236,7 +236,11 @@
 
 def term_raw(sigint=True):
 	fd = sys.stdin.fileno()
-	a = termios.tcgetattr(fd)
+	try:
+		a = termios.tcgetattr(fd)
+	except:
+		return lambda : None
+
 	bak = a[:]
 	f = termios.ECHO | termios.ECHONL | termios.FLUSHO | termios.ICANON | termios.IEXTEN
 	if not sigint:
diff -urN v5/pac.py v6/pac.py
--- v5/pac.py	2017-10-19 23:00:00.000000000 +0900
+++ v6/pac.py	2018-02-21 13:09:19.000000000 +0900
@@ -298,11 +298,13 @@
 	if len(ds) == 1:
 		return ds[0]
 
-	d = sys.stdin.read(1)
+	sys.stdout.write(ds + '\n')
+	flush()
+	d = sys.stdin.readline().strip()
 	if d not in ds:
 		sys.stdout.write('?')
-	sys.stdout.write(d)
-	flush()
+		d = ds[0]
+	return d
 
 def th_pac(c):
 	(px, py) = arr.pos(c)
diff -urN v5/stdio.py v6/stdio.py
--- v5/stdio.py	1970-01-01 09:00:00.000000000 +0900
+++ v6/stdio.py	2018-02-21 12:28:53.000000000 +0900
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+import sys
+import subprocess
+
+# 
+# ./stdio.py "./hoge.py 123" ./hoge.py
+#
+
+if __name__ == "__main__":
+
+	if len(sys.argv) < 3:
+		print 'Usage: {} "cmd1 prm .." "cmd2 prm .."'.format(sys.argv[0])
+		sys.exit(0)
+
+	cmd1 = sys.argv[1]
+	cmd2 = sys.argv[2]
+	cmd = 'rm -f fifo ; mkfifo fifo ; cat fifo | {} | {} > fifo'.format(cmd1, cmd2)
+	#print cmd
+
+	subprocess.call(cmd, shell=True)
+
+# EOF