小菜~~~~~~求助！！

各位高手能不能帮我看一下这个程序错在哪了？

#include <stdio.h>
#include <malloc.h>
#define NULL 0
#define LEN sizeof(struct list)
struct list
{
    int num;
    struct list *next;
};
int m,n;
struct list *creat1(void)
{
struct list *head,*p1,*p2;
    n=0;
    p1=p2=(struct list *)malloc(LEN);
    printf("please input the data1:");
    scanf("%ld",&p1->num);
    head=NULL;
    while(p1->num!=0)
    {
        n++;
        if(n==1) head=p1;
        else p2->next=p1;
        p2=p1;
        p1=(struct list *) malloc(LEN);
        scanf("%ld",&p1->num);
    }
    p2->next=NULL;
return(head);
}

struct list *creat2(void)
{
struct list *head,*p1,*p2;
m=0;
p1=p2=(struct list *)malloc(LEN);
    printf("please input the data1:");
    scanf("%ld",&p1->num);
    head=NULL;
    while(p1->num!=0)
    {
        m++;
        if(n==1) head=p1;
        else p2->next=p1;
        p2=p1;
        p1=(struct list *) malloc(LEN);
        scanf("%ld",&p1->num);
    }
    p2->next=NULL;
return(head);
}

void print(struct list *head)
{struct list *p;
p=head;
    do
    {
        printf("%ld",p->num);
        p=p->next;
    }while(p->next!=NULL);  
    printf("%3d",p->num);
    getchar();
}


struct list *toghter(struct list *head1,struct list *head2)
{
struct list *p1,*p2,*p3,*p4,*head;
    p1=head1;
    p2=head2;
    head=head1;
    while(p1->next!=NULL&&p2->next!=NULL)
    {
        p3=p1->next;
        p4=p2->next;
        p1->next=p2;
        p2->next=p3;
        p1=p3;
        p2=p4;
    }
    if(p1->next==NULL&&p2->next==NULL)
        p1->next=p2;
    if(p1->next==NULL&&p2->next!=NULL)
        p1->next=p2;
    if(p2->next==NULL&&p1->next!=NULL)
    {
        p3=p1->next;p1->next=p2;p2->next=p3;
    }
return(head);
}

void chain(struct list *head)
{struct list *tmp,*btmp;
int i,min;
for(i=0;i<n+m-1;i++)
{
  tmp=head;
  min=tmp->num;
  btmp=NULL;
  while(tmp->next)
{
if(min>tmp->next->num)
{
min=tmp->next->num;
btmp=tmp;
}
tmp=tmp->next;
}
printf("%d ",min);
}
}

void main()
{
struct list *head1,*head2,*head;
head1=creat1();
head2=creat2();
print(head1);
print(head2);
head=toghter(head1,head2);
chain(head);
}

搜索更多相关主题的帖子: 小菜

1、   #define NULL 0这个语句删掉，系统已经定义了NULL
2、   把void main()改成 main()

这是什么标准?

要看什么样的编译器了

如果在VC++中，当然void main()是正确的了

看不懂哦！！！！！