C language linked list -- to be added

What is a linked list ：

• Linked list is a common and important data structure .
• It is a structure for dynamic storage allocation .
• A linked list is compared with an array , There is no need to determine the storage space in advance , Instead, open up storage units as needed .

The simplest linked list - One way linked list structure

All linked lists have a head pointer, usually with head Express , Store an address . The nodes of the linked list are divided into head nodes and general nodes , The header node has no data fields , Generally, nodes contain data fields and pointer fields .

Linked list can be regarded as a very powerful array, which can be dynamically allocated ：

• Define multiple data types in nodes
• Add as needed 、 Delete 、 Insert node