[X] My Assistant

[zerogee]

hi guys,

i see this alot, but i've never used it in a program, and i dont know whats it used for, so if someone can help me i'll be thankful

[Akelo]

hi guys,

i see this alot, but i've never used it in a program, and i dont know whats it used for, so if someone can help me i'll be thankful

The main() is in many ways, nothing more than a glorified function, and those are variables that can be passed from the command line into the actual program.

[gabehabe]

A little more detail to shed a bit more light on the subject:

Basically, they are parameters, which are passed to the program from another program~ most commonly, the system shell (cmd if you are on Windows)

main()
The entry point into any console application. As you delve into graphics development, you'll notice that it isn't always this. However, to keep things simple, let's just stick with main on its own.

int argc;
Stands for argument count. In other words, how many things are being passed into the program.

char **argv; or char *argv[];
Both do the exact same thing. Short for argument vector, or in other words, this is a multidimensional array that will store all arguments being passed to the function.

For a tutorial, click here.

Hope this helps

[wartech]

Thanks for the info gabehabe. I had been wondering about this myself.

[gabehabe]

Wow, I think it was worth posting about that. I've been thanked twice for it today alone!

[KYA]

its either a pointer to a pointer of arguments or a pointer to an array of them, not necessarily multidimensional

[gabehabe]

But their behaviour simulates that of a multidimensional array, no matter how it is written. Correct?

[KYA]

not explicitly, otherwise it would be written as [][], however you can allocate any memory you want, so yes it could be multidimensional

especially since an array declared with a [] is simply a pointer to the first object (implicit conversion)