C语言结构体和返回值问题

[夏日不浪漫]

#include<stdio.h>

struct student
{
	int iNum;
	char cName[16];
	float fChineseScore;
	float fMathScore;
	float fEnglishScore;
};
typedef struct student STUDENT;

void InputTranscript(STUDENT MyClass[], int num)
{
	int i;
	printf("请输入学生的成绩信息：\n");
	for (i = 0; i < num; i++)
	{
		scanf("%d %s %f %f %f", &MyClass[i].iNum, MyClass[i].cName,
		&MyClass[i].fChineseScore, &MyClass[i].fMathScore, &MyClass[i].fEnglishScore);
	}
}

void DisplayTranscriptOne(STUDENT *MyScore)
{
	printf("输出最高分学生的成绩信息：\n");
	printf("%d %s %.2f %.2f %.2f\n", MyScore -> iNum, MyScore -> cName,
	MyScore -> fChineseScore, MyScore -> fMathScore, MyScore -> fEnglishScore);
}

void DisplayTranscriptAll(STUDENT *MyClass, int num)
{
	int i;
	printf("输出全体学生的成绩信息:\n");
	for (i = 0; i < num; i++)
	{
		printf("%d %s %.2f %.2f %.2f\n", (MyClass + i) -> iNum, (MyClass + i) -> cName, 
		(MyClass + i) -> fChineseScore, (MyClass + i) -> fMathScore, (MyClass + i) -> fEnglishScore);
	}
}

STUDENT FindTop(STUDENT *MyClass,int num)
{
	STUDENT TopOne;
	int i;
	float max = (MyClass -> fChineseScore) + (MyClass -> fMathScore) + (MyClass -> fEnglishScore);
	float a, b, c;
	for (i = 1; i < num; i++)
	{
		a = (MyClass + i) -> fChineseScore, b = (MyClass + i) -> fMathScore, c = (MyClass + i) -> fEnglishScore;
		if ((a + b + c) > max)
		{
			max = a + b + c;
			TopOne = *(MyClass + i);
		}
	}
	return TopOne;
}

STUDENT *FindByName(STUDENT *MyClass, int num, char *pName)
{
	int i;
	int flag = 0;
	for (i = 0; i < num; i++)
	{
		if (pName == (MyClass + i) -> cName )
		{
			flag = 1;
		}
	}
	
	if(flag = 1)
	{
		return (MyClass + i);
                printf("flag = %d", flag);
		
	}
	else
	{
	   return NULL;
	   printf("flag = %d", flag);
	}
}

void ModifyOne(STUDENT *MyInfo)
{
	printf("请输入修改后的信息:\n");
	scanf("%d %s %f %f %f", &MyInfo -> iNum, MyInfo -> cName, 
	&MyInfo -> fChineseScore, &MyInfo -> fMathScore, &MyInfo -> fEnglishScore);
}

void MenuHandle()
{
	char cTemp[16];
	STUDENT TopOne;
	STUDENT sTranscript[3]; 
    STUDENT * pStudent;

	InputTranscript(sTranscript, 3);
	TopOne = FindTop(sTranscript, 3);
	DisplayTranscriptOne(&TopOne);
	printf("What's name to find?\n");
	scanf("%s", cTemp);
	pStudent = FindByName(sTranscript, 3, cTemp);
	if(pStudent != NULL)
	{
		printf("Find!Modify it.\n");
		ModifyOne(pStudent);
	}
	else printf("Sorry,don'tfind %s.\n", cTemp);
	DisplayTranscriptAll(sTranscript, 3);

}

void prog8_5()
{
	MenuHandle();
}

void main()
{
	prog8_5();
}

STUDENT *FindByName(STUDENT *MyClass, int num, char *pName)函数中的flag有问题不知道怎么回事求大神帮我解析解析

[paschen]

出错时点中断，通过调用堆栈、变量窗口等观察分析原因

[小灸舞]

崩溃的时候在弹出的对话框按相应按钮进入调试，按Alt+7键查看Call Stack即“调用堆栈”里面从上到下列出的对应从里层到外层的函数调用历史。双击某一行可将光标定位到此次调用的源代码或汇编指令处，看不懂时双击下一行，直到能看懂为止。