Thread: Passing 2d char arrays to function??

Hey, i was hoping if anybody could tell me how to pass 2d char arrays to a function. I dont even know if this is possible or not. So thankss if you do help!

chris D.

i think i should say more, so im trying to pass a 2d char array from "int main()" to a function, but all the ways i try it gives me tons of errors

Why are you using char arrays instead of std::string?
Furthermore, since you are using an array of strings, why not use std::vector?

Thank you for replying, i dont know what "std::vectors" are so i think a string would be good for what im doing. so how would i pass a 2d string array to function??

thanks

if anyone can help please do, i need this done tonight, im been going though many books and i cant figure it out!?!

Copy/paste.

Code:

int main ( ) {
  char arr[10][20];
  foo(arr);
}

So what does foo look like?

Simple, you copy/paste the declaration of your array.

Code:

void foo ( char arr[10][20] ) {
  // do stuff
}

Some compilers MAY complain about the useless major dimension, in which case a small edit gets you to

Code:

void foo ( char arr[][20] ) {
  // do stuff
}

What I was suggesting was this:

Code:

void foo(const std::vector<std::string>& mystrings)
{
	for (auto it = mystrings.begin(), end = mystrings.end(); it != end; ++it)
		std::cout << *it << " ";
}

int main()
{
	std::vector<std::string> mystrings;
	mystrings.push_back("Hello");
	mystrings.push_back("World!");
	foo(mystrings);
}