/*声明链表结构，并有指向下一个结构的指针*/
struct List   
    {
    char Name[TSIZE];
    char Model[TSIZE];
    float Width;
    float yaxiandepth ;
    struct List *next; /*指向下一个结构的指针*/
    };

struct List *head = NULL ;    /*声明一个指向链表的头部指针*/
   
struct List *prev , *current ;    /*声明前指针，当前指针*/

void list_delete()
{
    char key[TSIZE];
    printf("\n\t删除型号： ");   
    scanf("%s",key);
   
    int r;
   
    struct List *ptmp ;    //声明一个链表节点临时针指
   
    current=head;
    while(current!=NULL)
        {                 
            r=strcmp(current->Model,key);
            if(!r)
            {
                    ptmp = current->next ;        //保存当前的下一个地址
                    free(current);                //释放当前指针                    
                    current=ptmp ;                //把下一个地址赋值给当前指针                                 
                    printf("\n\t已删除%s...\n\n",key);
            }        
        current=current->next ;        
        }            
}