LKUP_FIRST
if (slp->sl_flags & LKUP_FIRST)
sl.sl_flags &= ~(LKUP_FIRST | LKUP_SELF | LKUP_NEXT);
0, 0, 0, 0, (LKUP_FIRST | LKUP_DLSYM));
sl.sl_flags = (LKUP_FIRST | LKUP_DLSYM | LKUP_SPEC);
sl.sl_flags |= (LKUP_FIRST | LKUP_DLSYM);
sl2.sl_flags |= LKUP_FIRST;
LKUP_FIRST);