M>#include "nonsence.h"

M>int main()
M>{
M>    //...
M>    switch (X)
M>    {
M>        case (CONST_A, CONST_B):    // 1 or 2
M>            foo();
M>            break;
M>        case (CONST_C, CONST_D):    // 3 or 1
M>            bar();
M>            break;
M>        case ((CONST_A & CONST_B) | (CONST_C & CONST_D) ):
M>            blah_blah();
M>            break;
M>        default:
M>            //...
M>    }
M>    // ...
M>    return (0);
M>}

M>