c - 使用结构的 C 代码错误

Question

我目前正在做一项作业，我必须使用 WAP 的结构 is c 将 100 名员工的输入作为姓名、年龄和工资并将其显示为输出，但我遇到了一些错误，我无法修复。

PS:新手。

#include <stdio.h>
#define SIZE 100


struct employee
{
    int empno;
    char name[100];
    int age, salary;
} e[100];

int main(void)
{ 
    struct employee emp[100]
    int i, n;
    clrscr();

        printf("Enter the number of employees\n");
        scanf("%d",&n);
            for (i=0;i<n;i++)
                {
                    printf("\n Enter employee number : ");
                    scanf("%d",&e[i].empno);
                    printf("\n Enter name of employee : ");
                    scanf("%s",&e[i].name);
                    printf("\n Enter age of employee : ");
                    scanf("%d",&e[i].age);
                    printf("\n Enter salary of employee : ");
                    scanf("%d",&e[i].salary);
                }   
        printf("\n Emp. No. Name \t Age \t Salary \n\n");
            for (i=0;i<n;i++)
                printf("%d \t %s \t %d \%d \n", 
e[i].empno,e[i].name,e[i].age,e[i].salary);
return 0;
}

这就是错误

prog.c: In function ‘main’:
prog.c:15:9: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘int’
         int i, n;
         ^~~
prog.c:16:9: warning: implicit declaration of function ‘clrscr’ [-Wimplicit-function-declaration]
         clrscr();
         ^~~~~~
prog.c:25:33: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[100]’ [-Wformat=]
                         scanf("%s",&e[i].name);
                             ^

Answer 1

1. 删除 clrscr 函数
2. 删除e[100]
3. 在emp[100]之后添加;
4. 修复缩进
5. 到处使用 emp 而不是 e。
6. 使用SIZE并添加MAX_STR_LEN。
7. 将 \%d 更改为 \t %d
8. 将age 和salary 分隔为两行(最佳实践)。
9. 检查输入n。
10. 在获取员工姓名时还应添加一些溢出保护。我把这个留给你研究。

<小时/>

#include <stdio.h>

#define MAX_STR_LEN 100
#define SIZE 100


struct employee
{
    int empno;
    char name[MAX_STR_LEN];
    int age;
    int salary;
};

int main(void)
{ 
    struct employee emp[SIZE];
    int i, n;

    printf("Enter the number of employees\n");
    scanf("%d",&n);

    if (n > SIZE) {
        printf("Too many employees (will process first %d)\n", SIZE);
        n = SIZE;
    }

    for (i = 0; i < n; i++)
    {
        printf("\n Enter employee number : ");
        scanf("%d",&emp[i].empno);

        printf("\n Enter name of employee : ");
        scanf("%s",&emp[i].name);

        printf("\n Enter age of employee : ");
        scanf("%d",&emp[i].age);

        printf("\n Enter salary of employee : ");
        scanf("%d",&emp[i].salary);
    }   
    printf("\n Emp. No. Name \t Age \t Salary \n\n");
    for (i = 0; i < n; i++)
    {
        printf("%d \t %s \t %d \t %d \n", 
            emp[i].empno, emp[i].name, emp[i].age, emp[i].salary);
    }
    return 0;
}