# include<stdio.h>
# include<stdlib.h>
# define LIST_INIT_SIZE 100
# define LISTINCREMENT 10
# define OVERFLOW -2
# define OK 1
# define ERROR 0
typedef int ElemType;

  typedef struct Sqlist
{
  ElemType *elem;
      int length;
      int listsize;
}Sqlist;

void main()
{
Sqlist *L,S;
    L=&S;
    int i,j,e,n;
    int InitList_Sq(Sqlist *L,int n);
    int LocateELem_Sq(Sqlist *L,int i,ElemType e);
    int ListInsert_Sq(Sqlist *L,int i,ElemType e);
    int ListDelete_Sq(Sqlist *L,int i);
    int PutList(Sqlist *L);
printf("输入表的长度：\n");
scanf("%d",&n);
    InitList_Sq(L,n);
    PutList(L);
    printf("输入查找的位置:\n");
    scanf("%d",&i);
    LocateElem_Sq(L,i);
    PutList(L);
    printf("输入插入的位置：\n");
    scanf("%d",&i);
    printf("输入插入的值：\n");
    scanf("%d",&e);
    ListInsert_Sq(L,i,e);
    PutList(L);
    printf("输入删除的位置：\n");
    scanf("%d",&j);
    ListDelete_Sq(L,j);
    PutList(L);
}

int InitList_Sq(Sqlist *L,int n)
{
    int i;
    ElemType *newbase;
    L->elem=(ElemType*)malloc(LIST_INIT_SIZE*sizeof(ElemType));
    if(!L->elem)
exit(OVERFLOW);
    L->length=0;
    L->listsize=LIST_INIT_SIZE;
   printf("请输入表中的数据:\n");
   for(i=0;i<n;i++)
   {
   scanf("%d",&L->elem[i]);
       ++L->length;
       if(L->length>L->listsize)
   {
   newbase=(ElemType*)realloc(L->elem,(L->listsize+LISTINCREMENT)*sizeof(ElemType));
           if(!newbase)
   exit(OVERFLOW);
           L->elem=newbase;
           L->listsize+=LISTINCREMENT;
   }
   }
    return OK;
}

int ListInsert_Sq(Sqlist *L,int i,ElemType e)
{
 ElemType *p,*q,*newbase;
 if(i<1||i>L->length+1)
 return ERROR;
 if(L->length>=L->listsize)
 {
 newbase=(ElemType*)realloc(L->elem,(L->listsize+LISTINCREMENT)*sizeof(ElemType));
     if(!newbase)
     exit(OVERFLOW);
     L->elem=newbase;
     L->listsize+=LISTINCREMENT;
 }
 q=&L->elem[i-1];
 for(p=&L->elem[L->length-1];p>=q;--p)
 *(p+1)=*p;
 *q=e;
 ++L->length;
 return OK;
}
int LocateELem_Sq(SqList *L,ElemType e){
    for(i=0;i<L.length;i++)
        if(L.elem[i]==e) return i+1;
        printf("查找的元素为:\n%d\n",e);
        return 0;
}
int ListDelete_Sq(Sqlist *L,int i)
{
 ElemType *p,*q;
 int e;
 if(i<1||i>L->length)
 return ERROR;
 p=&L->elem[i-1];
 e=*p;
 q=&(L->elem[L->length-1]);
 for(++p;p<=q;++p)
 *(p-1)=*p;
 --L->length;
 printf("删除的元素为：\n%d\n",e);
 return 0;
}

int PutList(Sqlist *L)
{
 int *p,*q;
 p=L->elem;
 q=L->elem+(L->length-1);
 printf("线性表中元素为：\n");
 for(p=L->elem;p<=q;++p)
 {
 printf("%d  ",*p);
 }
 printf("\n表长为：%d  \n",L->length);
 return OK;
}

谢谢你帮忙改了，可以运行，编译通过了