OPT_DEVNAM
OPT_A2INFO | OPT_PRIVFIX | OPT_DEVNAM, &ptycommand_info },
"Input/output is not a tty", OPT_DEVNAM | 1 },
"Use standard input as tty without checking", OPT_DEVNAM | 1 },
"Send and receive over socket, arg is host:port", OPT_DEVNAM },