g/^rootgen/ s/Dirtab\*, int/Dirtab *dt, int i/g/^rootclose/ s/(Chan\*)/(Chan *c)/,s/^#endif asdf/#endif/g/^rootwrite/ s/(Chan\*, void\*, long, vlong)/(Chan *c, void *v, long l, vlong vl)//^static uchar \*bootdata/ s/ =.*/;/