c++ - Creating ZIP archive compression level (libzip) -

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I am trying to compress files using libzip and I feel successful but I have no way to change the compression Do not know the values ​​of 9 (the smallest collection) from the address level (zip tool 1 (fastest compression speed), which I should replenish. Is there a way to do this?

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ZIP_CM _ * defines zip.h , and Struct z Ip_stat and its comp_method field.


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