Programming in Objective-C, Third Edition

Footnotes

Chapter 10

¹ Chapter 13 briefly discusses bit fields.

Chapter 13

¹ Technically speaking, its defined in the file NSObjCRuntime.h, which is imported from inside the file Foundation.h

² Note the use of the strings "A string to be copied." and "So is this." in the program. These are not string objects, but C-style character strings, as distinguished by the fact that an @ character does not precede the string. The two types are not interchangeable. If a function expects an array of char as an argument, you may pass it either an array of type char or a literal C-style character string, but not a character string object.

Chapter 15

¹ Currently, unichar characters occupy 16 bits, but the Unicode standard provides for characters larger than ...