int count = 5;

    int16_t * i16Ptr0 = (int16_t*)malloc(count * sizeof(int16_t));
    int16_t * i16Ptr1 = (int16_t*)calloc(count, sizeof(int16_t));
    int16_t * i16Ptr2 = (int16_t*)memset(i16Ptr0, 1111, count * sizeof(int16_t));
    int16_t * i16Ptr3 = (int16_t*)realloc(i16Ptr2, (count + 2) * sizeof(int16_t));

    free(i16Ptr0);
    free(i16Ptr1);
    free(i16Ptr2);
    free(i16Ptr3);