* kernel/arch/386/x16.ha: only used by asm, and was confusing -parse_c
* windows/Windows.tex.nw: links
* skip_list.txt: for graph_code_c!
* Makefile: graph3 target!
* kernel/codegraph.h:
* sys/src/9/pc/x16.ha:
change code for -parse_c, use do while (), define xx nil, and other small fixes
* kernel/arch/386/x16.h: CE
* kernel/devices/devexample.c: remove dupe
* kernel/devices/screen/user/386/pci.h: fix weird typedef
* security/libsec/port/aes.c: comment define const, for -parse_c
* networking/Network.tex.nw: notes
* kernel/Kernel.tex.nw: syncweb
* kernel/codegraph.h: new