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Brilliant,

Thanks for your help!!

OK, but for it (in this basic example) to give a desired output, they have to be the same as the prototype? For example, if f and r were char's, this wouldn't work..?

But I understand that you can...

Ok, brilliant, I think i finally get it.

So, the prototype is just for the compiler, if the function is defined after main....I'm guessing it would compile with a prototype even if the function...

Sorry quzah, that one I meant to delete the int's so that the type wouldn't be specified. It compiled and ran just fine without the type of x and y being specified, but I should always specify them...

The code was given in the c tutorial:

Cprogramming.com Tutorial: Functions


Just to clarify that the code give:


#include <stdio.h>

Hi all, I'm currently going through the tutorial on c and I am confused by the following code:



#include <stdio.h>

int mult ( int x, int y );

int main()
{