str3cat
new_mp->am_path = str3cat(new_mp->am_path,
mp->am_pref = str3cat((char *) 0, ppref, mp->am_name, "/");
cp->def_opts = str3cat(cp->def_opts, cp->auto_opts, ";", *cp->ivec+1);
mp->am_link = str3cat((char *) 0,
xmtab = str3cat((char *) 0, fo->opt_rhost, ":", fo->opt_rfs);
rfs = str3cat(rfs, pref, "/", path);
mp = str3cat(mp, fs, "/", rfs);
xinfo = str3cat(xinfo, host, *path == '/' ? "" : "/", path);
me->mnt_fsname = str3cat(me->mnt_fsname, mo.opt_rhost, ":", "/");
fullpath = str3cat(NULL, fo->opt_fs, "/", link);
fo->opt_fs = str3cat(fo->opt_fs, ".", fullpath, "");
mp->am_path = str3cat(mp->am_path, mp->am_parent->am_path, "/", ".");
extern char *str3cat(char *, char *, char *, char *);