i386_set_ldt
i386_set_ldt(curthread, &uap, &desc);
error = i386_set_ldt(td, &kargs.largs, lp);
error = i386_set_ldt(td, &kargs.largs, NULL);
error = i386_set_ldt(td, &ldt, &desc);
int i386_set_ldt(int, union descriptor *, int);
int i386_set_ldt(struct thread *, struct i386_ldt_args *, union descriptor *);