老大们看下，不知道这个错误怎么改

2007-07-23 09:32:43 184 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

老大语录二谈规划在这之间就有了取和舍，并且也更专业的满足的客户的需求。Tob 类产品需要明确该功能的使用方是谁，一般在什么情况下会切入到该功能，用户看到该功能时下意识希望该功能输出哪些信息，该功能在交互中的期望反馈是什么。比如常见的审批流程，看是就是简单的审批流，往往底层的工作流引擎是需要沉淀的，很多团队也依靠这些沉淀开发出工单系统和OA系统。产品的定位，不同专业功能的敬畏，以及不明确场景下的减法。以上就是对产品功能规划判断的思考，也许有更好的评判公式，但实际经验中的总结也未免不是一种高效的方式来帮助我们来正确的做事。阅读详情

/*
*-----------------------------------------------------------------------
* name: simple cat(cat.c)
* Author : maskedman
* For example:cat [options] [files]
*-----------------------------------------------------------------------
*/
#include <windows.h>
#include <stdarg.h>
#include <tchar.h>
#include <process.h>
#include <stdio.h>
#define _memtchr memchr
#define BUF_SIZE 0x200
#define LIBSPEC _declspec (dllexport)
LIBSPEC VOID PrintStrings (HANDLE, ...);
LIBSPEC VOID PrintMsg (HANDLE, LPCTSTR);
LIBSPEC VOID ReportError (LPCTSTR, DWORD, BOOL);
static VOID CatFile (HANDLE,HANDLE);
DWORD Options (int argc, LPCTSTR argv [], LPCTSTR Optstr, ...);
VOID ReportError (LPCTSTR UserMessage, DWORD ExitCode,BOOL PrintErrorMsg);
int _tmain (int argc,LPTSTR argv [])
{
HANDLE hInFile,hStdIn=GetStdHandle (STD_INPUT_HANDLE);
HANDLE hStdOut = GetStdHandle (STD_OUTPUT_HANDLE);
BOOL DashS;
int iArg, iFirstFile;
iFirstFile = Options ( argc, argv, _T("s"), &DashS, NULL);
if (iFirstFile==argc){
CatFile( hStdIn, hStdOut);
return 0;
}
for (iArg = iFirstFile; iArg<argc; iArg++) {
hInFile = CreateFile (argv [iArg],GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
if (hInFile==INVALID_HANDLE_VALUE && !DashS)
ReportError (_T ("Cat file open error"), 1, TRUE);
CatFile (hInFile, hStdOut);
CloseHandle (hInFile);
}
return 0;
}
static VOID CatFile (HANDLE hInFile, HANDLE hOutFile)
{
DWORD nIn, nOut;
BYTE Buffer [BUF_SIZE];
while (ReadFile (hInFile, Buffer, BUF_SIZE, &nIn, NULL)
&& (nIn != 0)
&& WriteFile (hOutFile, Buffer, nIn, &nOut, NULL));
}
DWORD Options (int argc, LPCTSTR argv [], LPCTSTR OptStr, ...)
{
va_list pFlagList;
LPBOOL pFlag;
int iFlag = 0, iArg;
va_start (pFlagList, OptStr);
while ((pFlag = va_arg (pFlagList, LPBOOL)) != NULL
&& iFlag < (int) _tcslen (OptStr)) {
*pFlag = FALSE;
for (iArg = 1; !(*pFlag) && iArg < argc && argv [iArg] [0] == '-';iArg++)
*pFlag = _memtchr (argv [iArg],OptStr [iFlag],
_tcslen (argv [iArg])) != NULL;
iFlag++;
}
va_end (pFlagList);
for (iArg = 1; iArg < argc && argv [iArg] [0] == '-'; iArg++);
return iArg;
}
VOID ReportError (LPCTSTR UserMessage, DWORD ExitCode,BOOL PrintErrorMsg)
{
DWORD eMsgLen,LastErr = GetLastError ();
LPTSTR lpvSysMsg;
HANDLE hStdErr = GetStdHandle (STD_ERROR_HANDLE);
PrintMsg (hStdErr, UserMessage);
if (PrintErrorMsg) {
eMsgLen = FormatMessage
(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM, NULL, LastErr,
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpvSysMsg, 0, NULL);
PrintStrings (hStdErr, _T ("\n"), lpvSysMsg,
_T ("\n"), NULL);
HeapFree (GetProcessHeap (), 0, lpvSysMsg);
}
if (ExitCode >0 )
ExitProcess (ExitCode);
else
return;
}

出现
cat.obj : error LNK2001: unresolved external symbol _PrintStrings
cat.obj : error LNK2001: unresolved external symbol _PrintMsg
希望老大们帮帮我

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