回复：8楼
move下的i >= pos - 1那里最好加一个条件：&& i >= 0

#include <stdio.h>

int max(int a, int b)
{
if (a > b)
return a;
else
return b;
}

void main()
{
int a, b, x;
int (*pt)();
pt = max;
scanf("%d%d", &a, &b);
x = (*pt)(a, b);
printf("%d\n", x);
}

// 11.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"

#pragma comment(lib, "comctl32.lib")
#include "commctrl.h"


#define MAX_LOADSTRING 100

// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text

// Foward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;

// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_MY11, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);

// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}

hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_MY11);

// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}

return msg.wParam;
}



//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage is only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;

wcex.cbSize = sizeof(WNDCLASSEX);

wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_MY11);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCSTR)IDC_MY11;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

return RegisterClassEx(&wcex);
}

//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;

hInst = hInstance; // Store instance handle in our global variable

hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

if (!hWnd)
{
return FALSE;
}

InitCommonControls();

ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);

return TRUE;
}

//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
TCHAR szHello[MAX_LOADSTRING];
LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
RECT rt;
GetClientRect(hWnd, &rt);
DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER);
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}

// Mesage handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return TRUE;

case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}

// 3.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include <stdio.h>

void alert(const char* str)
{
MessageBox(NULL, str, "Title", MB_ICONWARNING);
}

int confirm(const char *str)
{
return (MessageBox(NULL, str, "Title", MB_ICONQUESTION | MB_YESNO) == IDYES);
}

int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.

char str[50];
sprintf(str, "Hello World!\nnCmdShow: %d", nCmdShow);

if (confirm(str))
alert("Haha");
else
alert("hoho");

return 0;
}

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

struct student
{
int num;
char name[100];
float score;
struct student *next;
};

struct student *createTable(int n)
{
struct student *head, *p, *q;
int i;
head = NULL;
q = NULL;
for (i = 0; i < n; i++)
{
p = (struct student *)malloc(sizeof(struct student));
scanf("%d%f\n", &p->num, &p->score);
//printf("num: %d, score: %f\n", p->num, p->score);
gets(p->name);
//printf("name: %s\n", p->name);
p->next = NULL;
if (head == NULL)
head = p;
else
q->next = p;
q = p;
}
return head;
}

void traverseTable(struct student *head)
{
struct student *p;
p = head;
while (p != NULL)
{
printf("%d,%s,%4.2f\n", p->num, p->name, p->score);
p = p->next;
}
}

void freeTable(struct student *head)
{
struct student *p, *q;
p = head;
while (p != NULL)
{
q = p->next;
free(p);
p = q;
}
}

void main()
{
struct student *p, *head;
head = createTable(4);
p = (struct student *)malloc(sizeof(struct student));
strcpy(p->name, "New Item");
p->num = 10;
p->score = 8.6f;
p->next = head->next->next;
head->next->next = p;
traverseTable(head);
freeTable(head);
}

1 1.1
a
2 2.2
b
3 3.3
c
4 4.4
d
1,a,1.10
2,b,2.20
10,New Item,8.60
3,c,3.30
4,d,4.40
Press any key to continue

奇怪了，这段程序在app下每行开头的空格又是正常显示的。。。。