int foo(void) { int a,b,g; int i,len; int stop; len = 10; stop = 0; for (i=0; i<len; i++) { a = bar1() ? 0 : 1; b = bar2() ? 0 : 1; g = bar3() ? 0 : 1; if (stop = ((a+b) % 2 != g)) break; } return stop; }