tee.cpp

本文提供了一个简单的C++程序示例,演示了如何使用标准输入流cin获取字符,并同时将这些字符输出到标准输出流cout和错误输出流cerr。通过对这个程序的学习,读者可以了解基本的输入输出操作。

  name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>

void main(void)
 {
   char letter;

   while ((letter = cin.get()) != -1)
     {
       cout.put(letter);
       cerr.put(letter);
     }
 }

 

[ 19%] Linking CXX executable test_FaultInjectionConfigTable.exe CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.text+0x4a91): undefined reference to `NetworkInterface::qt_metacast(char const*)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.text+0x4acb): undefined reference to `NetworkInterface::qt_metacall(QMetaObject::Call, int, void**)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.text+0x60b1): undefined reference to `NetworkInterface::qt_metacast(char const*)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.text+0x60eb): undefined reference to `NetworkInterface::qt_metacall(QMetaObject::Call, int, void**)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.rdata+0x3ea0): undefined reference to `NetworkInterface::staticMetaObject' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(mocs_compilation.cpp.obj):mocs_compilation.cpp:(.rdata+0x4d60): undefined reference to `NetworkInterface::staticMetaObject' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(test_FaultInjectionConfigTable.cpp.obj):test_FaultInjectionConfigTable.cpp:(.text+0x41e6): undefined reference to `FaultInjectionConfigTable::stopBatchExecution()' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(test_FaultInjectionConfigTable.cpp.obj):test_FaultInjectionConfigTable.cpp:(.text+0x42a1): undefined reference to `FaultInjectionConfigTable::stopBatchExecution()' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(test_FaultInjectionConfigTable.cpp.obj):test_FaultInjectionConfigTable.cpp:(.text+0x44bb): undefined reference to `FaultInjectionConfigTable::executeSingleFault(int)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(test_FaultInjectionConfigTable.cpp.obj):test_FaultInjectionConfigTable.cpp:(.text+0x4517): undefined reference to `FaultInjectionConfigTable::executeSingleFault(int)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(test_FaultInjectionConfigTable.cpp.obj):test_FaultInjectionConfigTable.cpp:(.text+0x4577): undefined reference to `FaultInjectionConfigTable::executeSingleFault(int)' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(NetworkTCPManager.cpp.obj):NetworkTCPManager.cpp:(.rdata$.refptr._ZTV16NetworkInterface[.refptr._ZTV16NetworkInterface]+0x0): undefined reference to `vtable for NetworkInterface' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(wdigetDialogrow.cpp.obj):wdigetDialogrow.cpp:(.rdata$.refptr._ZTV9DialogRow[.refptr._ZTV9DialogRow]+0x0): undefined reference to `vtable for DialogRow' CMakeFiles\test_FaultInjectionConfigTable.dir/objects.a(wdigetDialogrow.cpp.obj):wdigetDialogrow.cpp:(.rdata$.refptr._ZN9DialogRow16staticMetaObjectE[.refptr._ZN9DialogRow16staticMetaObjectE]+0x0): undefined reference to `DialogRow::staticMetaObject' collect2.exe: error: ld returned 1 exit status mingw32-make.exe[2]: *** [CMakeFiles\test_FaultInjectionConfigTable.dir\build.make:533: test_FaultInjectionConfigTable.exe] Error 1 mingw32-make.exe[1]: *** [CMakeFiles\Makefile2:220: CMakeFiles/test_FaultInjectionConfigTable.dir/all] Error 2 mingw32-make.exe: *** [Makefile:100: all] Error 2 错误:编译失败 Press any key to continue . . .
05-28
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