SADB_EXT_PROPOSAL
{ SADB_EXT_PROPOSAL, "proposal", print_prop },
headers[SADB_EXT_PROPOSAL] = p;
sa_prop = (struct sadb_prop *) headers[SADB_EXT_PROPOSAL];
#define BITMAP_PROPOSAL (1LL << SADB_EXT_PROPOSAL)
case SADB_EXT_PROPOSAL: