C5 Functions

C5 Functions

1. structure

   • declaration for the return and argument types
   • local variable declarations
   • a body
   • a return statement

2. Compilation with functions

   • prototype declaration
   • the main function
   • separate compilation
     • make
   • object file (end with .o)

3. Library functions

   • math.h---header file
     • #include<math.h>
   • type.h

4. Generalising the abstraction

5. Recursion

   • stack frame
   • return

6. Testing functions and programs

   • scaffolding
   • stub