ZEXTERN           208 extra_lib/include/zlib/zconf.h #        define ZEXTERN extern __declspec(dllexport)
ZEXTERN           210 extra_lib/include/zlib/zconf.h #        define ZEXTERN extern __declspec(dllimport)
ZEXTERN           247 extra_lib/include/zlib/zconf.h #  define ZEXTERN extern