写一段C++语言发展单向链表的程序

以下是一段简单的C语言代码，用于实现单向链表：

#include <stdio.h>
#include <stdlib.h>

// 定义链表节点结构体
struct node {
    int data;
    struct node *next;
};

// 创建链表
struct node *createList(int data) {
    struct node *head = (struct node*)malloc(sizeof(struct node));
    head->data = data;
    head->next = NULL;
    return head;
}

// 插入新节点
void insertNode(struct node *head, int data) {
    struct node *newNode = (struct node*)malloc(sizeof(struct node));
    newNode->data = data;
    newNode->next = head->next;
    head->next = newNode;
}

// 遍历链表并打印数据
void printList(struct node *head) {
    struct node *current = head;
    while (current != NULL) {
        printf("%d ", current->data);
        current = current->next;
    }
    printf("\n");
}

int main() {
    struct node *head = createList(0);
    insertNode(head, 1);
    insertNode(head, 2);
    insertNode(head, 3);
    printList(head);
    return 0;
}

这段代码实现了创建链表、插入节点和遍历链表并打印数据的功能。希望对您有所帮助。