RULEXDB_RETRIEVE_ITEM(3)

NAME
rulexdb_retrieve_item - retrieve an item from the rulex database

SYNOPSIS
#include <rulexdb.h>

int rulexdb_retrieve_item(RULEXDB *rulexdb, const char *key, char *value, int item_type);

DESCRIPTION
The rulexdb_retrieve_item() function retrieves an item from one of the dictionary datasets in the database referenced by rulexdb argument.

The argument key points to a text string containing the word to be fetched.

The argument value points to the memory area where corresponding pronunciation string will be placed.

The argument item_type specifies target dataset. It may accept one of the following values:

RULEXDB_LEXBASE
    The item should be fetched from the Implicit dictionary and, therefore, it represents a lexical base.

RULEXDB_EXCEPTION
    The item representing an exception should be fetched from the Explicit dictionary.

RULEXDB_DEFAULT
    Target dictionary should be guessed according to the key specified: if it represents any lexical base, then Implicit dictionary will be chosen, otherwise the Explicit dictionary will be used.

RETURN VALUE
The rulexdb_retrieve_item() function returns RULEXDB_SUCCESS which is zero when specified item was successfully retrieved, positive value RULEXDB_SPECIAL when specified key does not exist in the dictionary, or negative error code otherwise.

ERRORS

RULEXDB_FAILURE
    Referenced database has not been opened, internal data structures are corrupted or some other general failure has occurred.

RULEXDB_EINVKEY
    Invalid key specified.

RULEXDB_EPARM
    The argument rulexdb or item_type has an invalid value.

SEE ALSO
rulexdb_classify(3), rulexdb_close(3), rulexdb_dataset_name(3), rulexdb_discard_dictionary(3), rulexdb_discard_ruleset(3), rulexdb_fetch_rule(3), rulexdb_lexbase(3), rulexdb_load_ruleset(3), rulexdb_open(3), rulexdb_remove_item(3), rulexdb_remove_rule(3), rulexdb_remove_this_item(3), rulexdb_search(3), rulexdb_seq(3), rulexdb_subscribe_item(3), rulexdb_subscribe_rule(3)

AUTHOR
Igor B. Poretsky <poretsky@mlbox.ru>.