PNG_EXPORT_TYPE   231 3rdparty/libpng/pngconf.h #    ifndef PNG_EXPORT_TYPE
PNG_EXPORT_TYPE   289 3rdparty/libpng/pngconf.h #ifndef PNG_EXPORT_TYPE
PNG_EXPORT_TYPE   300 3rdparty/libpng/pngconf.h       PNG_FUNCTION(PNG_EXPORT_TYPE(type),(PNGAPI name),PNGARG(args), \