Stuff we have talked about:

• Form of a C program
• preprocessor directives, function prototypes, global declarations, functions
• Basic types
• sizeof operator
• integer types
• constants (decimal, octal, hex)
• long, short, unsigned
• char as an integer type and the ascii code
• real types
• float, double
• type casts
• Basic IO
• printf, scanf, format descriptors
• Arrays
• Strings
• as '\0'-terminated char arrays
• Control structures
• logical expressions
• relational operators
• use of various types as booleans
• logical operators
• if, if ... else
• loops: while, do while, for
• switch
• Functions
• function definitions
• parameters, local variables and scope
• function prototypes