100644 blob f2ea9a49dcb1861f63c98c12727d680549fc9c58	putchar.c
100644 blob 8b807778fd55699fc1b1d5731a5d6e4326865fed	putchar.h
100644 blob cf1459b65e06e3fe00b7fc93e1640508ae422272	u_printf.c
100644 blob dcc5a8a0c6627df52f7f5df28848daa36cee9278	u_printf.h