3数据类型、运算符与表达式...................................................................................................13.1Ｃ语言的数据类型...................................................................................................13.2常量与变量..............................................................................................................33.2.1常量和符号常量...............................................................................................33.2.2变量..................................................................................................................33.3整型数据..................................................................................................................43.3.1整型常量的表示方法.......................................................................................43.3.2整型变量...........................................................................................................53.4实型数据..................................................................................................................73.4.1实型常量的表示方法.......................................................................................73.4.2实型变量...........................................................................................................83.4.3实型常数的类型...............................................................................................93.5字符型数据..............................................................................................................93.5.1字符常量...........................................................................................................93.5.2转义字符...........................................................................................................93.5.3字符变量.........................................................................................................103.5.4字符数据在内存中的存储形式及使用方法...................................
