MSG_EXT_PPR_PROT_IUS
if ((tinfo->curr.ppr_options & MSG_EXT_PPR_PROT_IUS) != 0) {
ppr_options &= ~MSG_EXT_PPR_PROT_IUS;
#define MSG_EXT_PPR_IU_REQ MSG_EXT_PPR_PROT_IUS
ppr_options &= ~MSG_EXT_PPR_PROT_IUS;