unions

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Statically initialize anonymous union in C++

I am trying to statically initialize the following structure in Visual Studio 2010: struct Data { int x;[详细]

2023-01-03 02:25 分类：问答
Why does my union not show the correct values?

un开发者_C百科ion { int i; bool b; } x; x.i = 20000; x.b = true; cout << x.i; It prints out 19969. Why does it not print out 20000?A union is not a struct.In a union, all of the data occupies[详细]

2022-12-31 21:07 分类：问答
Using unions to simplify casts

I realize that what I am trying to do isn\'t safe. But I am just doing some testing and image processing so my focus here is on speed.[详细]

2022-12-31 17:05 分类：问答
How to extract ALL typedefs and structs and unions from c++ source

I have inherited a Visual Studio project that contains hundreds of files. I would like to extract all the typedefs, structs and unions from each .h/.cpp file and put the results in a file).[详细]

2022-12-29 00:26 分类：问答
Trouble with Unions in C program

I am working on a C program that uses a Union. The union definition is in FILE_A header file and looks like this...[详细]

2022-12-28 22:45 分类：问答
how to place struct in union

I have an union X. It\'s size is 64bits. How can I write (if possible) its declaration if I want to access those 64 bits as:[详细]

2022-12-28 18:01 分类：问答
C++ union data-structure, easy access of bits within a DWORD

I\'m running through a set of DirectX tutorials online and I have the following structure: struct CUSTOMVERTEX[详细]

2022-12-28 16:06 分类：问答
Incremental Union?

I\'m trying to describe a Sudoku Board in C++ with a union statement: union Board { int board[9][9]; int sec1[3][3];[详细]

2022-12-27 11:26 分类：问答
Referencing a union inside a structure using union tag gives incorrect address

I had a need to declare a union inside a structure as defined below: struct MyStruct { intm_DataType; DWORDm_DataLen;[详细]

2022-12-26 08:53 分类：问答
Implementing a c/c++ style union as a column in MySQL

Friends, I have a strange need and cannot think my way through the problem.The great and mighty Google is of little help due to keyword recycling (as you\'ll see).Can you help?[详细]

2022-12-22 22:57 分类：问答