宏HASH_SEARCH

/********************************************************************//**
Looks for a struct in a hash table. */
#define HASH_SEARCH(NAME, TABLE, FOLD, TYPE, DATA, ASSERTION, TEST)\
{\
\
    HASH_ASSERT_OWNED(TABLE, FOLD)\
\
    (DATA) = (TYPE) HASH_GET_FIRST(TABLE, hash_calc_hash(FOLD, TABLE));\
    HASH_ASSERT_VALID(DATA);\
\
    while ((DATA) != NULL) {\
        ASSERTION;\
        if (TEST) {\
            break;\
        } else {\
            HASH_ASSERT_VALID(HASH_GET_NEXT(NAME, DATA));\
            (DATA) = (TYPE) HASH_GET_NEXT(NAME, DATA);\
        }\
    }\
}