Parsing an Address Argument a Specify arguments on command line when invoking a client program Each argument consists of a character string a Client uses an argument's syntax to interpret Its meaning ■ Example: Domain name: csie ntut. edu. tw IP address:140.124.180.1 CSIE NTUT Taiwan 7CSIE, NTUT, Taiwan 7 Parsing an Address Argument ◼ Specify arguments on command line when invoking a client program ◼ Each argument consists of a character string ◼ Client uses an argument’s syntax to interpret its meaning ◼ Example: ◼ Domain name: csie.ntut.edu.tw ◼ IP address: 140.124.180.1