完全使用标准 C++ 编写的文件分割合并程序。采用面向过程的编程风格，也就是俗称的 C 风格。希望各路高手踊跃发言，指出其不足之处，提出整改意见、方案等。 -full use of standard documents prepared by the C division merger process. Use of process-oriented programming style, also known as C-style. Various experts hope will sp