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- #include<stdio.h>
- #include<stdlib.h>
- #include<string.h>
- typedef struct
- {
- int day;
- int month;
- int year;
- }date;//结构体名的定义 自定义类型符
- typedef struct
- {
- int num;
- char name[20];
- date birthday;
- }student;//student 等价于 struct 一个没有结构名的结构体
- student stu;
- student *pstu = &stu;
- void InputStudent()
- {
- char choice;
- FILE *fp;
- fp = fopen("C:\\Users\\yyp\\Desktop\\stuscore.txt","a+");
- if(fp == NULL)
- {
- printf("Error!\n");
- exit(0);
- }
- printf("Please input num:");
- scanf("%d",&pstu->num);
- printf("Please input name:");
- scanf("%s",pstu->name);
- printf("Please input birthday:");
- scanf("%d%d%d",&pstu->birthday.year,&pstu->birthday.month,&pstu->birthday.day);//输入数据
- fprintf(fp,"%d %s %d-%d-%d\n",//存完换行
- pstu->num,pstu->name,pstu->birthday.year,pstu->birthday.month,pstu->birthday.day);//把数据存txt文件中
- fclose(fp);
- printf("Continue to input? y or n:\n");
- fflush(stdin);
- scanf("%c",&choice);
- if(choice == 'y')
- {
- InputStudent();
- }
- }
复制代码
在VScode运行报错
C:/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):crt0_c.c:(.text.startup+0x2e): undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status
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