c语言代码 设有若干个人员的数据，其中有学生和教师。学生的数据中包括：姓名、号码、性别、职业、班级。教师的数据包括：姓名、号码、性别、职业、职务。要求输入人员的数据，然后再输出。

以下是一个简单的 C 语言代码实现：

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

#define MAX_NAME_LEN 50
#define MAX_NUM_LEN 20
#define MAX_OCCUPATION_LEN 20
#define MAX_CLASS_LEN 10
#define MAX_POST_LEN 20

struct Person {
    char name[MAX_NAME_LEN];
    char number[MAX_NUM_LEN];
    char sex[MAX_OCCUPATION_LEN];
    char occupation[MAX_OCCUPATION_LEN];
};

struct Student {
    struct Person person;
    char class[MAX_CLASS_LEN];
};

struct Teacher {
    struct Person person;
    char post[MAX_POST_LEN];
};

int main() {
    int i, n;
    printf("请输入人员数量：");
    scanf("%d", &n);
    struct Student students[n];
    struct Teacher teachers[n];
    for (i = 0; i < n; i++) {
        printf("请输入第 %d 个人的信息（学生：姓名 号码 性别 职业 班级，教师：姓名 号码 性别 职业 职务）：", i + 1);
        char name[MAX_NAME_LEN], number[MAX_NUM_LEN], sex[MAX_OCCUPATION_LEN], occupation[MAX_OCCUPATION_LEN];
        scanf("%s %s %s %s", name, number, sex, occupation);
        if (strcmp(occupation, "学生") == 0) {
            char class[MAX_CLASS_LEN];
            scanf("%s", class);
            strcpy(students[i].person.name, name);
            strcpy(students[i].person.number, number);
            strcpy(students[i].person.sex, sex);
            strcpy(students[i].person.occupation, occupation);
            strcpy(students[i].class, class);
        } else if (strcmp(occupation, "教师") == 0) {
            char post[MAX_POST_LEN];
            scanf("%s", post);
            strcpy(teachers[i].person.name, name);
            strcpy(teachers[i].person.number, number);
            strcpy(teachers[i].person.sex, sex);
            strcpy(teachers[i].person.occupation, occupation);
            strcpy(teachers[i].post, post);
        } else {
            printf("职业输入错误！\n");
            exit(1);
        }
    }
    printf("\n输出人员信息：\n");
    for (i = 0; i < n; i++) {
        if (strcmp(students[i].person.occupation, "学生") == 0) {
            printf("姓名：%s 号码：%s 性别：%s 职业：%s 班级：%s\n",
                students[i].person.name, students[i].person.number, students[i].person.sex,
                students[i].person.occupation, students[i].class);
        } else if (strcmp(teachers[i].person.occupation, "教师") == 0) {
            printf("姓名：%s 号码：%s 性别：%s 职业：%s 职务：%s\n",
                teachers[i].person.name, teachers[i].person.number, teachers[i].person.sex,
                teachers[i].person.occupation, teachers[i].post);
        }
    }
    return 0;
}

这个代码使用了结构体来表示学生和教师的数据，输入时根据职业进行区分，输出时也根据职业进行区分。