extern "C" ignored?

by: Sergei | last post by:

I ran into this problem. I needed to create an entry for access to a library of functions that are "extern C", and I just can't find the right syntax, if it exists at all ( I am using MSVC...

C / C++

Does this make sense? Calling C++ inside extern "C" block

by: terrencel | last post by:

I was told to look at some old C code that was ported to C++. One of the file is like: ========================================= CPPClass* someCPPVar = NULL; extern "C" {

C / C++

Static linkage and extern "C"

by: Mark A. Gibbs | last post by:

I have a question about mixing C and C++. In a C++ translation unit, I want to define a function with internal linkage and C calling convention. Here's a sample of what I want to do: //...

C / C++

"extern" inside a block

by: G Patel | last post by:

I've seen some code with extern modifiers in front of variables declared inside blocks. Are these purely definitions (no definition) or are they definitions with static duration but external...

C / C++

"extern" meaning

by: ccwork | last post by:

Hi all, I am reading "C: A Reference Manual" 4th ed and I get lost for the "extern". It says that global object without specifying the storage-class specifier will have "extern" as the default...

C / C++

"C" Callbacks: Static method vs. extern "C"

by: kk_oop | last post by:

Hi. I need to write a C++ callback function and register it with a C program. I've read that this can be done if the callback function is a static method. I've also read that I should use a...

C / C++

Questions about extern "C" linkage directive

by: mimi | last post by:

The programmer indicates to the compiler that a function is written in a different programming language using a linkage directives.It is intuitive that extern "SomeLanguage" is used to declare...

C / C++

extern "C" is ignored

by: Toto | last post by:

Hello, My DLL (VC 2005, unmanaged) contains an exported function AutoOpen, whose name should be undecorated. I've used this declaration: extern "C" __declspec(dllexport) int WINAPI...

.NET Framework

extern "c" usage?!!

by: Medvedev | last post by:

What's that preprocessor do #ifdef __cplusplus extern "C" { #endif .. .. .. #ifdef __cplusplus } #endif

C / C++

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

What is ONU?

by: marktang | last post by:

ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...

General

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

by: jinu1996 | last post by:

In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

Online Marketing

Discussion: How does Zigbee compare with other wireless protocols in smart home applications?

by: tracyyun | last post by:

Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...

General

AI Job Threat for Devs

by: agi2029 | last post by:

Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...

Career Advice

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