#define len sizeof(struct a) #define NULL 0

struct a {char lk; struct a *next ; }; main() {struct a *head,*p; int i;

head=p=(struct a *) malloc(len); /* p->lk='a'+25; */

/*scanf("%c",&p->lk); printf("%c",p->lk); */

for(i=1;i<=26;i++) {(p->lk)=('a'+i-1); printf("%c\n",p->lk); p->next=(struct a *)malloc(len); p=p->next;

}

p->next=NULL;

while (p->next != NULL)

printf("111%c\n",p->lk);

} 就是 a -->b-->c-->d--e-->```````````````````````````z 链表的形式``` 大家给我改改把，谢谢了`````

#include <stdio.h> //头文件最好加上! #define len sizeof(struct a) #define NULL 0

struct a { char lk; struct a *next ; }; main() { struct a *head,*p; int i;

head=p=(struct a *) malloc(len); printf("%c",p->lk); */

for(i=1;i<=26;i++) { (p->lk)=('a'+i-1); printf("%c\n",p->lk); p->next=(struct a *)malloc(len); p=p->next; }

p->next=NULL;

p=head; //你少了这一句,道理先自己想想.

while (p->next != NULL)

{ printf("111%c\n",p->lk); p=p->next; //还有这句,也不能少的,应该是马虎所致吧. }

}