ill_relink_usesrc_ills
ret = ill_relink_usesrc_ills(usesrc_cli_ill, usesrc_ill, 0);
ret = ill_relink_usesrc_ills(usesrc_cli_ill, usesrc_ill,
static int ill_relink_usesrc_ills(ill_t *, ill_t *, uint_t);