11.1. The Possibilities

One of the most common ways to use the communications capabilities of the 32-bit APIs is to communicate with a modem. For example, you might want to implement a bulletin board system, or create a terminal emulator:

  • In a bulletin board system, the program implementing the system runs continuously. It places the modem in auto answer mode, and, when a call comes in, begins a BBS session. The BBS program uses the communications capabilities of Windows for all modem communications.

  • In a terminal program, the modem connects with a remote computer system and transfers characters. Most terminal emulators recognize certainescape sequences that are interpreted as special terminal commands. For example, on a vt-100 terminal the escape ...

Get Win32 System Services: The Heart of Windows® 98 and Windows® 2000 now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.