W3School TIY Editor

#include <stdio.h> #include <stdlib.h> #include <string.h> struct Car { char brand[50]; int year; }; int main() { // 为一个 Car 结构体分配内存 struct Car *ptr = (struct Car*) malloc(sizeof(struct Car)); // 检查分配是否成功 if (ptr == NULL) { printf("内存分配失败。\n"); return 1; } // 设置值 strcpy(ptr->brand, "Volvo"); ptr->year = 2026; // 打印值 printf("品牌：%s\n", ptr->brand); printf("年份：%d\n", ptr->year); // 释放内存 free(ptr); return 0; }