Since http://www.smorgasbordet.com/pellesc/ seems to be offline, you can find the Download of Pelles C here in this Forum.
pointer = &array[0];
pointer = array;
Tried the first (&array[0]) with no luck.
int main(int argc, char **argv){ unsigned char *pointer; unsigned char array[20]; //pointer = &array[]; pointer = &array[0]; pointer = array; return 0;}