modified:   Stack/link_stack.c
	new file:   Stack/linkstack
	deleted:    Stack/link_stack.c~
	modified:   List/link_list.c
	modified:   List/sqlist.c
	new file:   Stack/sqstack.c
	deleted:    Stack/linkstack
	deleted:    String/kmp
	deleted:    String/status.h~
	deleted:    String/string
	deleted:    String/string.c~
	deleted:    String/string_kmp.c~