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C programming

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Join Date: Aug 2006

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C programming

Aug 22nd, 2006

Hi folks.
I'm just learning C language,and I always come across a statement that I have no idea what it means. What does "returning a variable" mean?
Thanks.

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Join Date: May 2006

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WaltP

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Re: C programming

Aug 22nd, 2006

When a function is finished, the final statement in the funct can be something like return x;

x is the value returned into the variable.

Example:

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val = add(a, b);    // add A and B
...

int add (int x, int y)  // define the add function
{
    int z;

    z = x + y;     // add the values
    return z;      // return the value of the addition
}

val will contain the sum when the function is finished.

When you get to functions you will understand -- I hope