Chapter 2

1 These tools should be preinstalled on all Macs that came with OS X. If you separately installed OS X, then make sure you install the Developer Tools as well.

2 CygWin is a Unix environment that runs under Windows. The good news is that it's free. However, you should be aware that Objective-C support is not normally provided with the compiler that is distributed with CygWin.

Chapter 4

1 Appendix B discusses methods for storing characters from extended character sets, through special escape sequences, universal characters, and wide characters.

2 As of this writing, the gcc compiler version 3.3 does not have full support for these data types.

Chapter 5

1 This is a feature added to the 1999 ANSI C Standard (sometimes referred ...

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