CHECK: Lines should not end with a '('
CHECK: Macro argument 'a' may be better as '(a)' to avoid precedence issues
CHECK: Macro argument 'c' may be better as '(c)' to avoid precedence issues
CHECK: multiple assignments should be avoided
WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
WARNING: function definition argument 'int' should also have an identifier name
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 82 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: line length of 85 exceeds 80 columns
WARNING: line length of 88 exceeds 80 columns
WARNING: line length of 90 exceeds 80 columns
WARNING: line length of 93 exceeds 80 columns
WARNING: line length of 95 exceeds 80 columns