list_utils.c
Utils for linked list of carriages:
new_carry — creates new list element and fill 'nbr' field;
push_carry — creates new carry and pushes it to the beginning of the list.
del_carry — deletes carry with given nbr from the list.
Unit tests provided in test_list_utils.c
list_utils.c Utils for linked list of carriages: new_carry — creates new list element and fill 'nbr' field; push_carry — creates new carry and pushes it to the beginning of the list. del_carry — deletes carry with given nbr from the list. Unit tests provided in test_list_utils.c