WARNING: Argument '_1' is not used in function-like macro
WARNING: Argument '_2' is not used in function-like macro
WARNING: Argument '_3' is not used in function-like macro
WARNING: Macros with flow control statements should be avoided
WARNING: line length of 82 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: macros should not use a trailing semicolon