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3.6.4 Flex¤Ë¤ª¤±¤ëʸ»ú¤Î¥°¥ë¡¼¥×²½¡ÊFlex 2.5¤ÎÊä­¾ðÊó¡Ë

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[:cntrl:] [:digit:] [:graph:]
[:lower:] [:print:] [:punct:]
[:space:] [:upper:] [:xdigit:]

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#define IS_BLANK(c) ((c) == ' ' || (c) == '\t')

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