-/*
-Options omitted:
- -all Don't request/allow any options\n\
- -ac Disable Address/Control compression\n\
- -am Disable asyncmap negotiation\n\
- -as <n> Set the desired async map to hex <n>\n\
- -d Increase debugging level\n\
- -detach Don't fork to background\n\
- -ip Disable IP address negotiation\n\
- -mn Disable magic number negotiation\n\
- -mru Disable mru negotiation\n\
- -p Set passive mode\n\
- -pc Disable protocol field compression\n\
- +ua <f> Get username and password for authenticating\n\
- with peer using PAP from file <f>\n\
- +pap Require PAP authentication from peer\n\
- -pap Don't agree to authenticating with peer using PAP\n\
- +chap Require CHAP authentication from peer\n\
- -chap Don't agree to authenticating with peer using CHAP\n\
- -vj disable VJ compression\n\
- -auth Don't agree to authenticate with peer\n\
- debug Increase debugging level\n\
- domain <d> Append domain name <d> to hostname for authentication\n\
- passive Set passive mode\n\
- local Don't use modem control lines\n\
- proxyarp Add proxy ARP entry\n\
-*/
-