ocu.c

int i;
int var[] = { 1, 3, 2, 4, 6, 5 };
int * varptr = var;
int odd = 0, nonodd = 0;

for(i = 0; i < sizeof(var) / sizeof(int); ++i)
    (*(varptr + i) % 2 == 0) ? nonodd += *(varptr + i) : odd += *(varptr + i);