example.txt

myArray = UArray2_new(4, 3, sizeof(int)); 
/* create a 2D array of integers. Its dimensions are 3 * 4. */

printf("The array's width is %d", UArray2_width(myArray)) 
/* prints The array's width is 4 */

printf("The array's height is %d", UArray2_height(myArray)) 
/* prints The array's height is 3 */

printf("Each element in the array has a size of %d bytes") 
/* prints Each element in the array has a size of 4 bytes 
 * (on school's server)
 */

*(*int)UArray2_at(myArray, 3 , 2) = 99 
/* set the right bottom corner element to 99  */

printf("The right bottom element is %d", *(*int)UArray2_at(myArray, 3 , 2))
/* prints The right bottom element is 99 */

/* assuming we have set the 2D array to the following values using 
 * UArray2_at function: 
 *      1  2  3  4
 *      5  6  7  8
 *      9 10 11 99
 */

// assuming we have defined a user specific apply function that prints 
// each element if it is not NULL, if it is NULL prints -1
UArray2_map_row_major(myArray, apply, NULL)
// prints "1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 99"

UArray2_map_col_major(myArray, apply, NULL)
// prints "1, 5, 9, 2, 6, 10, 3, 7, 11, 4, 8, 99"