Arduino libraries Documentations

Using Arduino Programming Questions
1

hello

i was looking for documentation for some libraries to know how to use it & what exactly can each one serve
i have used some libraries from the examples but what to do next ?
i need to know what Core.h means or Cpu.h or Stdio or........

any help please

2

Please post links to the libraries in question. Help us help you.

Pieter

3

There is often documentation of libraries on GitHub but it is not very consistent. Although it is not documentation as such you also have the .h and .cpp library source files