OPT_VAL
OPT_NOARG|OPT_VAL(0) },
OPT_NOARG|OPT_VAL(1) },
"Set hardware (RTS/CTS) flow control", OPT_NOARG|OPT_VAL(1) },
"Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
"Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
"Set alternate hardware (DTR/CTS) flow control", OPT_NOARG|OPT_VAL(2) },
"Disable hardware flow control", OPT_NOARG|OPT_VAL(-1) },
OPT_NOARG | OPT_VAL(-1) },
OPT_NOARG | OPT_VAL(-1) },