Untitled Document

• Extensions to the C Language Family
  • Statements and Declarations in Expressions
  • Locally Declared Labels
  • Labels as Values
  • Nested Functions
  • Constructing Function Calls
  • Naming an Expression's Type
  • Referring to a Type with typeof
  • Generalized Lvalues
  • Conditionals with Omitted Operands
  • Double-Word Integers
  • Complex Numbers
  • Arrays of Length Zero
  • Arrays of Variable Length
  • Macros with Variable Numbers of Arguments
  • Non-Lvalue Arrays May Have Subscripts
  • Arithmetic on void- and Function-Pointers
  • Non-Constant Initializers
  • Constructor Expressions
  • Labeled Elements in Initializers
  • Case Ranges
  • Cast to a Union Type
  • Declaring Attributes of Functions
  • Prototypes and Old-Style Function Definitions
  • Dollar Signs in Identifier Names
  • The Character ESC in Constants
  • Inquiring on Alignment of Types or Variables
  • Specifying Attributes of Variables
  • An Inline Function is As Fast As a Macro
  • Assembler Instructions with C Expression Operands
  • Constraints for asm Operands
    • Simple Constraints
    • Multiple Alternative Constraints
    • Constraint Modifier Characters
    • Constraints for Particular Machines
  • Controlling Names Used in Assembler Code
  • Variables in Specified Registers
    • Defining Global Register Variables
    • Specifying Registers for Local Variables
  • Alternate Keywords
  • Incomplete enum Types
  • Function Names as Strings
• Extensions to the C++ Language
  • Named Return Values in C++
  • Minimum and Maximum Operators in C++
  • goto and Destructors in GNU C++
  • Declarations and Definitions in One Header
  • Where's the Template?
  • Type Abstraction using Signatures