#include <stdio.h>
#include <stdlib.h> // malloc함수(동적할당), free함수(동적해제)
#define EMPTY 0
typedef struct node {
int data;
struct node* link;
}General;
General* GetNode() { //노드를 힙 지역에 만들어주는 함수
General* newNode = (General *)malloc(sizeof(General));
newNode->link = EMPTY;
return newNode;
}
void Insert(General** head, int data) {
if (*head == EMPTY) {
General* newNode = GetNode();
newNode->data = data;
*head = newNode;
return;
}
General* tmp = *head;
if ((*tmp).link == EMPTY) {
General* newNode = GetNode();
newNode->data = data;
(*tmp).link = newNode;
}
else {
tmp = (*tmp).link;
Insert(head, data);
}
}
void main() {
General* head = EMPTY;
Insert(&head, 10);
Insert(&head, 20);
Insert(&head, 30);
}
