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LAURENT*

Could someone explain this?

17 posts in this topic

Is there like any different between these two main functions? I was just exploring the internet looking at code and notice this small difference.

int main (int argc, char* args[])

int main (int argc, char *argv[])

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COOL! That solve one of my problem even if breaks the rules of pointers. You guys didn't notice args or does that not matter as well?

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And this:

int main()
 
Are you trolling now? Because, i can't tell if you are or if this is a question.
It's a real question. I've seen those things before within the main() and didn't know what they did.
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And this:

int main()

 

Are you trolling now? Because, i can't tell if you are or if this is a question.

 

This is the guy who thinks he is going to create a more realistic GTA V replicate. The same guy who had half a page of quotes for a signature. The same guy who has been learning C++ for the last 4 months and doesn't know what a command line argument is. The same guy who has been part of the community for for 5 months, posted almost 500 posts and has a reputation of -367.

 

That Guy.

 

I apologize to the original poster whos topic has been hi-jacked.

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int main() just means that you don't care about command line arguments.
You can either use:
int main() -- and get no arguments.

Thanks.
@kirkaff: and your point is?

 

 

My point is self-explainatory, need I say more? Your attention to detail is appalling my username is Kirkkaf13 (two k's one f), that is what is called a bug, I am sure you are familiar with them.

 

The original question has been answered, I think this thread should be closed before Nathan2222 posts and receives more down votes. Again, I would like to apologize for my actions but this is infuriating.

 

For the people reading this thinking I am being unreasonable or some sort of jerk, please read through Nathan2222 previous posts and thread hi-jacks.

Edited by Kirkkaf13
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Everyone back on topic, please. I won't ask nicely again.

 


I just thought the name would have more important in a main function and it used a lot.

They're important, yes. Names are vital to communicate intent to other programmers. Hence, dyou certainly shouldn't take Hodgman's suggestion of [b]Sally[/b] too seriously!

 

But funnily enough C++ does not require that the names match between declarations and definitions.

void example(int one, int two);
 
int main()
{
    example(42, 13);
}
 
void example(int a, int b)
{
    std::cout << "A: " << a << ", B:" << b << std::endl;
}

 

In fact, you don't need to provide names when declaring a function, and if you don't wish to use a parameter you don't need to give it a name in a definition:

void example(int, int);
 
int main()
{
    example(42, 13);
}
 
void example(int a, int)
{
    std::cout << "A: " << a << ", but we don\'t care about B..." << std::endl;
}

It is typical for them to be present and to match, again to help provide clarity.

 
Thus, to the code that "calls" main, i.e. the [i]runtime[/i], it doesn't matter what the parameters names are or if they even have names.
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Related to function/parameter naming, [b]main[/b] has to be called main. You can't rename that.

(Well, for console stuff, at least. Win32 has different naming requirements, etc.)

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For posterity, it's probably worth also pointing out that since the start of an array is kinda the same as a pointer, this is also valid:

int main (int argc, char** argv)
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*edited out*

 

Somehow I missed reading over half the posts in this thread.  No new information here.

Edited by jHaskell
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