Function Declarations

This section includes the following topics:

• Function declaration syntax
  • Variable argument lists
    
    
  • Declaring functions that take no arguments
    
    
  • Function overloading
    
    
  • Restrictions on functions
    
    
  • The argument declaration list
    
    
  • Argument lists in function prototypes (nondefining declaration)
    
    
  • Argument lists in function definitions
• Default arguments
  • Default argument expressions
    
    
  • Other considerations

Function definition is covered in Function Definitions.