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        p = psrc;
          ^ ~~~~
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        return calloc(nelems, szelem);
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                                             ^
/path/to/hhvm/third-party/libmbfl/filters/mbfilter_htmlent.c:242:11: note: please include the header <string.h> or explicitly provide a declaration for 'strcmp'
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                        if (!strchr(html_entity_chars, c) || filter->status+1==html_enc_buffer_size || (c=='#' && filter->status>2))
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