W3School TIY Editor

#include <stdio.h> #include <string.h> // 创建结构体 struct myStructure { int myNum; char myLetter; char myString[30]; }; int main() { // 创建结构体变量并赋值 struct myStructure s1 = {13, 'B', "Some text"}; // 修改值 s1.myNum = 30; s1.myLetter = 'C'; strcpy(s1.myString, "Something else"); // 打印值 printf("%d %c %s", s1.myNum, s1.myLetter, s1.myString); return 0; }