... Inspector, 255 connecting AppController to the user interface controls, 252 connecting the UpperCase and LowerCase but-tons to the AppController, 260Connections panel, 260creating the AppController, ... 104bsearch(), 137Build and Go button, 7 C [c] decoration, 3 05 .c file extension, 8 C preprocessor, 93 C+ +, 1–2comparing to Objective- C, 309embedding C+ + objects into Objective- C objects, 313inheritance ... 256 editing MainMenu.xib, 253 IBAction, 252 IBOutlet, 252 , 262inspector window, 255 iPhone applications and, 252 knowing which way to drag a connection, 260laying out the user interface, 256 Library...