/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-03/fsm-21-06-09/automatxy.c

#include <stdio.h>

#define and &&
#define or ||
#define not !

int main (void) {
    int c, b, a, x;
    
    printf ("c b a x    c b a\n");
    
    for (c = 0;  c <= 1;  c++) {
        for (b = 0;  b <= 1;  b++) {
            for (a = 0;  a <= 1;  a++) {
                for (x = 0;  x <= 1;  x++) 
                    printf ("%i %i %i %i    %i %i %i\n", c, b, a, x, (not c and not b and a and x) or (not c and b and not a), (not c and not b and a and not x) or (not c and not a and x), (not c and not b and not x) or (not c and not a and not x));
            }
        }
    }

return 0;
}