000. Preprocessor
00. Declarations and Initialization (DCL)
01. Expressions (EXP)
02. Integers (INT)
03. Floating Point (FLP)
04. Arrays (ARR)
05. Strings (STR)
06. Memory Management Functions
07. Formatted IO Functions
08. Miscellaneous
09. File Operations
50. POSIX
AA. C References
BB. Definitions