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C和指针-1
从逻辑上删除一段代码 #if 0 statements #endif ## 字符串常量 "Hello" 占6个字节的空间,分别是H、e、l、l、o和NUL ## getchar() ``` c ( (ch = getchar()) != EOF && ch != '\n') 判断输入结尾 // ch被申明为整型,但通常用来读取字符,…