XCOPY Filename[.EXT]Filename[.ESE]/S命令的含义是()。A、在目标盘上建立与源盘子目录内容相同的子目录B、要求在拷贝每个文件前给出提示:Fiename[.EXT](Y/N)?C、拷贝源目录中的文件和所有子目录中的文件D、检查每个文件的拷贝的否正确
XCOPY Filename[.EXT]Filename[.ESE]/S命令的含义是()。
- A、在目标盘上建立与源盘子目录内容相同的子目录
- B、要求在拷贝每个文件前给出提示:Fiename[.EXT](Y/N)?
- C、拷贝源目录中的文件和所有子目录中的文件
- D、检查每个文件的拷贝的否正确
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逻辑覆盖法是设计白盒测试用例的主要方法之一,通过对程序逻辑结构的遍历实现程序的覆盖。针对以下由C语言编写的程序,按要求回答问题。阅读下列说明,回答问题。 【说明】 逻辑覆盖法是设计白盒测试用例的主要方法之一,通过对程序逻辑结构的遍历实现程序的覆盖。针对以下由C语言编写的程序,按要求回答问题。 int XOR(char * filename, unsignedlong key){ FILE * input = NULL , *output =NULL; //i char * outfilename = NULL; int len = strlen(filename); unsigned char buffer; if( (filename[len-2] == '.') //4 strcpy(outfilename, filename); outfilename[len-2] = '\0'; } else{ //5 outfilename = new char[len+5]; strcpy(outfilename, filename); strncat(outfilename,".c",2); } input =fopen(filename,"rb"); if( input == NULL) { //6 cout << "Error opening file " << filename << endl; //7 delete [] outfilename; outfilename = NULL; return 1; } output =fopen(outfilename,"wb"); if( output == NULL ) { //8 cout << "Error creating output file " << outfilename << endl; //9 delete [] outfilename; outfilename = NULL; return 1; } while( ! feof(input) ) { //10 if(fread( //13 outfilename = NULL; fclose(input); fclose(output); return 1; } } else{ //14 buffer ^= key; fwrite( } } fclose(input); //15 fclose(output); delete [] outfilename; return 0; }请给出问题2中控制流图的线性无关路径。
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