线性表的顺序存储结构C语言版

#include <stdio.h>

#define MAXSIZE 101
#define N 10

typedef struct SeqList
{
	int data[MAXSIZE];
	int length;
}SeqList;

void  initList(SeqList *L);
int Listinsert(SeqList *L, int index, int e);
int Listdelete(SeqList *L, int index, int *e);
void printList(SeqList L);

int main(void)
{
	SeqList L;
	int e;
	initList(&L);
	for (int i = 1; i <N; ++i)
	{
		Listinsert(&L,i,i);
	}
	printList(L);
	printf("\n======\n");
	for(int i=L.length;i>=1;--i)
	{
		Listdelete(&L,i,&e);
		printf("%d\t", e);
	}
	putchar(10);

	return 0;
}

void initList(SeqList *L)
{
	L->length = 0;
}

int Listinsert(SeqList *L, int index, int e)
{
	if(L->length== MAXSIZE) return -1;
	if(index<=L->length+1  && index>=1)
	{
		if(index==L->length+1)
		{
				L->data[L->length+1] = e;
				L->length += 1;
		}
		else
		{
			for (int i = L->length; i >= index ; --i)
			{
				L->data[i+1] = L->data[i];
			}
			L->data[index] = e;
			L->length  += 1;
		}

		return 0;
	}
	return -1;

}

int Listdelete(SeqList *L, int index, int *e)
{
	if(index>L->length) return -1;
	*e = L->data[index];
	for(int i=index;i<=L->length;i++)
	{
		L->data[i] = L->data[i+1];
	}
	L->length -= 1;
	return 0;
}
void printList(SeqList L)
{
	for (int i = 1; i <= L.length; ++i)
	{
		printf("%d\t", L.data[i]);
	}
}