new file:   string_pointer/del_digit2.c
	new file:   string_pointer/replace_digit.c
new file:   string_pointer/runlength.c
	new file:   structure/structure1.c
	new file:   structure/structure2.c
	new file:   structure/structure3.c
	new file:   structure/structure4.c
	new file:   structure/structure5.c
 Changes not staged for commit: