Here are the classes, structs, unions and interfaces with brief descriptions:
  nil_system_t | System data structure |
| nil_thread | Structure representing a thread |
| nil_thread_cfg | Structure representing a thread static configuration |
| NilFIFO | A thread safe FIFO |
| NilSerialClass | Mini serial class derived from the Arduino Print class |
| NilStatsFIFO | A thread safe FIFO with statistics |
| port_extctx | Interrupt saved context |
| port_intctx | System saved context |
 semaphore_t | Type of a structure representing a counting semaphore |
