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52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* This is a general purpose hash table package written by Peter Moore @ UCB. */
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/* @(#) st.h 5.1 89/12/14 */
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#ifndef ST_INCLUDED
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#define ST_INCLUDED
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typedef struct st_table_entry st_table_entry;
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struct st_table_entry {
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char *key;
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char *record;
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st_table_entry *next;
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};
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typedef struct st_table st_table;
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struct st_hash_type {
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int (*compare)();
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int (*hash)();
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};
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struct st_table {
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struct st_hash_type *type;
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int num_bins;
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int num_entries;
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st_table_entry **bins;
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};
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#define st_is_member(table,key) st_lookup(table,key,(char **) 0)
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enum st_retval {ST_CONTINUE, ST_STOP, ST_DELETE};
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st_table *st_init_table();
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st_table *st_init_table_with_size();
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st_table *st_init_numtable();
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st_table *st_init_strtable();
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int st_delete(), st_delete_safe(), st_insert();
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int st_lookup(), st_find_or_add();
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void st_foreach(), st_add_direct(), st_free_table();
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st_table *st_copy();
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#define ST_NUMCMP ((int (*)()) 0)
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#define ST_NUMHASH ((int (*)()) -2)
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#define st_numcmp ST_NUMCMP
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#define st_numhash ST_NUMHASH
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int st_strhash();
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#endif /* ST_INCLUDED */
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