#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define MAXSIZE 20
#define TRUE 1
#define FALSE 0
typedef int Status;
typedef int ELemType;
typedef struct ListNode
{
ElemType data[MAXSIZE];
int length;
}*Sqlist;
int main()
{
}
为什么“ELemtype”是未定义的标识符?