syscall-stub.h is gone; don't #include it.
[pintos-anon] / src / lib / user /
drwxr-xr-x   ..
-rw-r--r-- 2002 console.c
-rw-r--r-- 157 entry.c
-rw-r--r-- 4718 syscall.c
-rw-r--r-- 796 syscall.h