1define x() { 2"x" 3return ( 1 ) 4} 5define y() { 6"y" 7return (2) 8} 9define z() { 10"z" 11return (3) 12} 13 14if ( x() == y() ) {1} 151 16if ( x() <= y() ) {2} 17if ( y() >= x() ) {3} 18if ( x() != y() ) {4} 19if ( x() < y() ) {5} 20if ( y() > x() ) {6} 21 22if ( x() == z() ) {11} 2311 24if ( x() <= z() ) {12} 25if ( z() >= x() ) {13} 26if ( x() != z() ) {14} 27if ( x() < z() ) {15} 28if ( z() > x() ) {16} 29 30x = -10 31while (x <= 0) { 32 x 33 if (x == -5) break; 34 x += 1 35} 36 37define u() { 38 auto a[]; 39 return a[0] 40} 41 42u() 43 44if (x == -4) x else x - 4 45