顺序表C语言

#include<stdio.h>
#include<stdlib.h>
typedef int ElemType;
#define INITSIZE 100
typedef struct
{
    ElemType *data;
    int length;
    int listsize;
} sqlist;

void initlist(sqlist *l)
{
    l->data=(ElemType *)malloc(sizeof(ElemType)*INITSIZE);
    l->length=0;
    l->listsize=INITSIZE;
}

int getlen(sqlist l)
{
    return (l.length);
}
int getelem(sqlist l,int i,ElemType *e)
{
    if(i<1||i>l.length)
    {
        return 0;
    }
    *e=l.data[i-1];
    return 1;