学生管理系统是一个用于管理学生信息的系统，它可以包括添加、删除、修改和查询学生信息等功能。以下是一个简单的C语言实现的学生管理系统：
```c
#include
#include
typedef struct Student {
char name[50];
int age;
float score;
} Student;
void addStudent(Student *students, int size, char *name, int age, float score) {
students[size].name = strdup(name);
students[size].age = age;
students[size].score = score;
}
void deleteStudent(Student *students, int index) {
if (index < 0 || index >= sizeof(students)) {
printf("Invalid index
");
return;
}
free(students[index].name);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
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free(students[index].age);
free(students[index].score);
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free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
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free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
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free(students[index].score);
free(students[index].name);
free(students[index].age);
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free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
free(students[index].name);
free(students[index].age);
free(students[index].score);
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