要解决这个问题，可以使用memcpy()函数来复制结构体数组的内容。下面是一个示例代码：

#include 
#include 

typedef struct {
    int id;
    char name[20];
} Student;

typedef struct {
    int count;
    Student students[10];
} Classroom;

int main() {
    Classroom classroom1;
    Classroom classroom2;

    // 初始化classroom1
    classroom1.count = 2;
    classroom1.students[0].id = 1;
    strcpy(classroom1.students[0].name, "Alice");
    classroom1.students[1].id = 2;
    strcpy(classroom1.students[1].name, "Bob");

    // 复制classroom1的内容到classroom2
    memcpy(&classroom2, &classroom1, sizeof(Classroom));

    // 打印classroom2的内容
    printf("classroom2.count: %d\n", classroom2.count);
    for (int i = 0; i < classroom2.count; i++) {
        printf("classroom2.students[%d].id: %d\n", i, classroom2.students[i].id);
        printf("classroom2.students[%d].name: %s\n", i, classroom2.students[i].name);
    }

    return 0;
}

在上面的示例中，我们使用memcpy()函数将classroom1的内容复制到classroom2中。这样，classroom2将包含与classroom1相同的结构体数组。