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Leopard Technical Notes
Networking capabilities in Mac OS X include support for the major protocols and services. Developers can gain access to them through sockets and Core Services, as well as through the higher-level Carbon and Cocoa APIs.

Provides a guided introduction to developing network-capable applications for Mac OS X.   Essential information for developers using Apple's networking environment.   API references organized by framework.
Networking Topics
A networking technology for registering services for easy access by applications.   C APIs for adding networking features to Carbon applications.   Resources for developing network devices and software to access them.

Resources for creating Internet and web applications, services, or content.   Programming interfaces for secure communication over a network.  

View legacy documents, including technologies, features, products, APIs, and programming techniques that are no longer supported or have been superseded.