Declaration function1 is not visible
    Include directive is #include "header1.h"
Declaration c is not visible
    Include directive is #include "header1.h"
Declaration externVar is not visible
    Include directive is #include "header2.h"
Declaration a is not visible
    Include directive is #include "header2.h"
Declaration localVar is visible
Declaration externVar is visible
Declaration function is visible
Declaration main is not visible
    Include directive was not found
