用C++读文件的代码详细

void CShapefileEditView::ReadSHPHead(FILE* ReadFile){fread(&m_filehead.FileCode,sizeof(int),1,ReadFile);//读取filecodem_filehead.FileCode=BigendianAndLittleendian(m_filehead.FileCode);int code=m_filehead.FileCode;fread(&m_filehead.Unused[0],sizeof(int),1,ReadFile);fread(&m_filehead.Unused[1],sizeof(in