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Unix System Administration Handbook 1997 October
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libc
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hdbmint.h
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1991-11-07
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514b
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26 lines
/*
* general-purpose in-core hashing, dbm interface (internals)
*/
#define STREQ(a, b) (*(a) == *(b) && strcmp((a), (b)) == 0)
#define BADTBL(tbl) (((tbl)->ht_magic&BYTEMASK) != HASHMAG)
#define HASHMAG 0257
#define BYTEMASK 0377
#define HASHENT struct hashent
HASHENT {
HASHENT *he_next; /* in hash chain */
HDBMDATUM he_key; /* to verify a match */
HDBMDATUM he_data;
};
HASHTABLE {
HASHENT **ht_addr; /* array of HASHENT pointers */
unsigned ht_size;
char ht_magic;
unsigned (*ht_hash)();
};