16 lines
465 B
C
16 lines
465 B
C
|
int main() {
|
||
|
|
int* pa = (int*) malloc(100);
|
||
|
|
int* pb = pa + 1;
|
||
|
|
int* pc = (int*) 0;
|
||
|
|
*pa = 1;
|
||
|
|
*pb = 2;
|
||
|
|
printf("Pointer difference: %d %d\n", pb - pa, ((int) pb) - ((int) pa));
|
||
|
|
int c = * (pa + 1);
|
||
|
|
printf("Pointer addition: %d\n", c);
|
||
|
|
printf("Pointer comparison to zero: %d %d %d\n", pa == 0, pb == 0, pc == 0);
|
||
|
|
printf("Pointer comparison: %d %d %d %d %d\n", pa < pb, pa == pb, pa > pb, ! pb, ! pc);
|
||
|
|
free(pa);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|