出错如下：

2>------ Build started: Project: hc08, Configuration: Debug Win32 ------

2>  ralloc.c
2>f:\work\sdcccode\sdcc\src\common.h(21): fatal error C1083: Cannot open include file: 'stdio.h': No such file or directory
2>  main.c
2>f:\work\sdcccode\sdcc\src\common.h(21): fatal error C1083: Cannot open include file: 'stdio.h': No such file or directory
2>  gen.c
2>f:\work\sdcccode\sdcc\src\hc08\gen.c(31): fatal error C1083: Cannot open include file: 'stdio.h': No such file or directory

2>  Generating Code...

要解决这个问题，就是让编译器找到相应的目录，在WIN10里，已经放到目录：

C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt

因此只需要在工程里设置搜索的头文件即可解决。