chgsbsize
(void)chgsbsize(so->so_cred->cr_uidinfo,
(void)chgsbsize(so->so_cred->cr_uidinfo,
if (!chgsbsize(so->so_cred->cr_uidinfo, &ssb->ssb_hiwat, cc,
(void)chgsbsize(so->so_cred->cr_uidinfo, &ssb->ssb_hiwat, 0,
int chgsbsize (struct uidinfo *uip, u_long *hiwat, u_long to, rlim_t max);