enum {
    ST_NOCHANGE,  /* Pseudo-state */
    ST_PLAIN,
    ST_QUOTED_VALUE,
    _ST_MAX
} stateTable[_ST_MAX][256] = {
    [ST_PLAIN] = {
        [ '"' ] = ST_QUOTED_VALUE,
        ...
    },
    [ST_QUOTED_VALUE] = { ... }
};