嵌入式C语言是作为嵌入式Linux开发的基础语言，也是学习嵌入式的必备语言。常用到的包括数据类型、运算符与表达式、控制语句、数组、指针、函数等内容。(Embedded C language is used as the basic language of embedded Linux development, but also an essential language to learn embedded. Commonly used to include data types, operators and expressions, control statements, arrays, pointers, functions and so on.)