--- src/rbsb.c.org 2010-01-15 22:41:21.000000000 +0900 +++ src/rbsb.c 2010-01-15 22:41:34.000000000 +0900 @@ -296,7 +296,7 @@ tty.c_iflag |= IXOFF; /* No echo, crlf mapping, INTR, QUIT, delays, no erase/kill */ - tty.c_lflag &= ~(ECHO | ICANON | ISIG); + tty.c_lflag &= ~(ECHO | ICANON | ISIG | IEXTEN); tty.c_oflag = 0; /* Transparent output */ tty.c_cflag &= ~(PARENB); /* Same baud rate, disable parity */