Returning multiple values from a C function

Question

Important: Please see this very much related question: Return multiple values in C++.

I\'m after how to do the same thing in ANSI C? Would you use a

Answer 1

Easiest to read should be passed addresses in the function, and it should be fast also, pops and pushes are cheap:

void somefunction (int inval1, int inval2, int *outval1, int *outval2) {
   int x = inval1;
   int y = inval2;
// do some processing
   *outval1 = x;
   *outval2 = y;
   return;
}