Since the % character is used extensively by the macropreprocessor, you should ensure that both the signed and unsigned modulo operators are followed by white space wherever they appear.
因为%被宏预处理器广泛使用,你要确保有符号或无符号求余运算符应该紧跟着空格。
2
More information about C preprocessormacro programming is available in the CPP manual (see the Resources section for a link).
更多有关 C 预处理器宏编程的内容可以在 CPP 手册中看到(请参阅 参考资料 一节中的链接)。
3
In the process, all preprocessor directives are carried out, macro expansions are performed, and comments are removed.