C 语言易于描述复杂的数据结构。Ｃ语言的数据类型有；整型、实型、字符型、数组类型、指针类型、结构体类型、共用体类型等，可以方便的描述各种常用的数据结构，如链表、树、图等，这使得Ｃ语言在开发大型的系统和应用程序方面有很强的优势。

-C language is easy to describe complex data structures. C data types　integer, real, character, array type, pointer type, structure type, union type, etc., can easily describe a variety of commonly used data structures such as linked lists, trees, graphs, etc. This makes the C language in the development of large-scale systems and applications have a strong advantage.