dbtype
type = dbtype(*argv++);
DBTYPE dbtype(char *);
dbtype = DB_HASH;
dbtype = DB_BTREE;
return dump_db(source, dbtype);
db = dbopen(dbname, O_TRUNC|O_RDWR, 0644, dbtype, NULL);
dump_db(const char *dbname, DBTYPE dbtype)
db = dbopen(dbname, O_RDONLY, 0644, dbtype, NULL);
DBTYPE dbtype = DB_HASH;