/* for dbm and dbz */ typedef struct { char *dptr; int dsize; } datum; /* standard dbm functions */ extern int dbminit(); extern datum fetch(); extern int store(); extern int delete(); /* not in dbz */ extern datum firstkey(); /* not in dbz */ extern datum nextkey(); /* not in dbz */ extern int dbmclose(); /* in dbz, but not in old dbm */ /* new stuff for dbz */ extern int dbzfresh(); extern int dbzagain(); extern datum dbzfetch(); extern int dbzstore(); extern int dbzsync(); extern long dbzsize(); extern int dbzincore(); extern int dbzcancel(); extern int dbzdebug(); /* * In principle we could handle unlimited-length keys by operating a chunk * at a time, but it's not worth it in practice. Setting a nice large * bound on them simplifies the code and doesn't hurt anything. */ #define DBZMAXKEY 255