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unsigned int hash = 0;
while (*s)  /* s is pointer to string */
    hash = hash * 33 + *s++;
return hash;

/* hash a key */
/* FYI: This is the "One-at-a-Time" algorithm by Bob Jenkins
...
        hash_PeRlHaSh ^= (hash_PeRlHaSh >> 11); \
        (hash) = (hash_PeRlHaSh + (hash_PeRlHaSh << 15)); \
    } STMT_END