1 int main() { 2 int* pa = (int*) malloc(100); 3 int* pb = pa + 1; 4 int* pc = (int*) 0; 5 *pa = 1; 6 *pb = 2; 7 printf("Pointer difference: %d %d\n", pb - pa, ((int) pb) - ((int) pa)); 8 int c = * (pa + 1); 9 printf("Pointer addition: %d\n", c); 10 printf("Pointer comparison to zero: %d %d %d\n", pa == 0, pb == 0, pc == 0); 11 printf("Pointer comparison: %d %d %d %d %d\n", pa < pb, pa == pb, pa > pb, ! pb, ! pc); 12 free(pa); 13 return 0; 14 } 15 16
