EX4-STDIO
.........\abstract.txt
.........\main.c
.........\main.LST
.........\main.OBJ
.........\printf
.........\printf.elf
.........\printf.lnp
.........\printf.MAP
.........\printf.Opt
.........\printf.plg
.........\printf.Uv2
.........\printf_Opt.Bak
.........\printf_Uv2.Bak
.........\serial.c
.........\serial.LST
.........\serial.OBJ
.........\Startup.LST
.........\Startup.OBJ
.........\Startup.s