Introduction - If you have any usage issues, please Google them yourself
Custom LinkList single chain type / * * /
* / function, establish a lead single node list * tail insertion
* / function, establish a lead single node list * head insert
* / function, according to the value of search node.
* / function, delete the specified value of the node.
* / function, all the values in the list * / print
* / function, delete all nodes, release the memory.
Should modify the program: add nodes. With the first interpolation method, return the head pointer.