searches->library[0][0] = {2, 3, 4, -1};
searches->library[1][0] = {4, 5, 6, -1};
searches->library[2][0] = {2, 3, 4, 5, 6, -1};
searches->library[3][0] = {0, 1, 2, 3, 4, 5, 6, 7, -1};
searches->library[4][0] = {0, 1, 2, -1};
searches->library[5][0] = {0, 6, 7, -1};
searches->library[6][0] = {0, 1, 2, 6, 7, -1};
searches->library[7][0] = {0, 1, 2, 3, 4, -1};
searches->library[8][0] = {0, 4, 5, 6, 7, -1};
	
searches->library[][9] = {{2, 3, 4, -1},
						 {4, 5, 6, -1},
						 {2, 3, 4, 5, 6, -1},
						 {0, 1, 2, 3, 4, 5, 6, 7, -1},
						 {0, 1, 2, -1},
						 {0, 6, 7, -1},
						 {0, 1, 2, 6, 7, -1},
						 {0, 1, 2, 3, 4, -1},
						 {0, 4, 5, 6, 7, -1}};
	
typedef struct{
    int active_length;	// Size of active array of searches
    int* active;		// Active array of searches
    int** library;	// Library of array of searches
} SearchLibrary;
	
SearchLibrary* searches;
searches = (SearchLibrary *) malloc(sizeof(SearchLibrary*));
int search_cases = 9, search_directions = 9;
searches->library = (int **) malloc(search_cases * sizeof(int *));
searches->active = (int *) malloc(search_directions * sizeof(int));

int i;
for(i = 0; i < search_cases; i++){
    searches->library[i] = (int *) malloc(search_directions * sizeof(int));
}
	
static const int Library0[] = {2, 3, 4, -1};
static const int Library1[] = {4, 5, 6, -1};
static const int Library2[] = {2, 3, 4, 5, 6, -1};
static const int Library3[] = {0, 1, 2, 3, 4, 5, 6, 7, -1};
static const int Library4[] = {0, 1, 2, -1};
static const int Library5[] = {0, 6, 7, -1};
static const int Library6[] = {0, 1, 2, 6, 7, -1};
static const int Library7[] = {0, 1, 2, 3, 4, -1};
static const int Library8[] = {0, 4, 5, 6, 7, -1};

static const int * Library[] = { 
    Library0, Library1, Library2,
    Library3, Library4, Library5,
    Library6, Library7, Library8,
};

typedef struct{
    int active_length;  // Size of active array of searches
    const int* active;                // Active array of searches
    const int** library;      // Library of array of searches
} SearchLibrary;

searches->library = Library;
	
#define SEARCH_DIRECTIONS 9

memcpy(searches->library[k], ((int [SEARCH_DIRECTIONS]){ 1, 2, 3 }),
    sizeof(int) * SEARCH_DIRECTIONS);