function-pointers

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How do I use C Headers in a C++ Program?

I am working on a project in Visual Studio 2010 which is to produce a win 32 dll file.The examples I have are C files and the compile and work well.I would like to incorporate some functionality from[详细]

2023-03-17 15:29 分类：问答
typedef function pointer that takes argument ClassName* before defining ClassName?

I have the following situation: typedef void (*F_POINTER)(ClassName*); class ClassName { public: F_POINTER f;[详细]

2023-03-16 10:18 分类：问答
Passing a (possibly) virtual method as a function pointer in C++

I need to convert this code into a function pointer call for Vi开发者_StackOverflow中文版sual Studio 2008. The GetValue() func could be virtual, but not always, and the GetObject() in different contex[详细]

2023-03-16 04:17 分类：问答
How can one determine the return type of a function at template instantiation time?

Is there a way to find out what the return type of a function (or even better of a function pointer) is ?[详细]

2023-03-14 10:31 分类：问答
When do we need & when passing a function?

I found these work types of code: hash_init.key= &hash_key_lc; And ls->handler = init_connection;[详细]

2023-03-14 10:24 分类：问答
Function pointer to an instance member

I need to map some state to a particular member function of a class, for (a very cut down) example: class Z {[详细]

2023-03-11 23:34 分类：问答
How do I get the name of the calling function?

I am using gnu tool chain. How can I, at run time, find c开发者_如何学Caller of a function? i.e for example function B() gets called by many functions using function pointers. Now, whenever B gets cal[详细]

2023-03-11 19:28 分类：问答
Where is function pointer stored?

In an embedded environment, for example, I declared a look开发者_如何转开发-up table in following way:[详细]

2023-03-10 17:00 分类：问答
Do compilers optimize away calls to trivial functions made through pointers?

Say I have a function that takes a function pointer: in开发者_开发知识库t funct(double (*f)(double));[详细]

2023-03-10 16:37 分类：问答
Invalid function parameter

I \'m writing a C-Code in which i use sockets. I use this on windows and on linux, so i try to write it dynamicly. I wrote two functions to get a server/client-socket. There i have an error on compili[详细]

2023-03-10 12:01 分类：问答