stack\stack_arry\app .....\..........\communal.h .....\..........\Makefile .....\..........\readme .....\..........\stack.c .....\..........\stack.o .....\......list\app .....\..........\communal.h .....\..........\list.c .....\..........\list.h .....\..........\list.o .....\..........\Makefile .....\..........\readme .....\..........\stack.c .....\..........\stack.o .....\stack_arry .....\stack_list stack