png_alloc_size_t  578 3rdparty/libpng/pngconf.h    typedef unsigned long png_alloc_size_t;
png_alloc_size_t  581 3rdparty/libpng/pngconf.h      typedef unsigned long    png_alloc_size_t;
png_alloc_size_t  589 3rdparty/libpng/pngconf.h        typedef DWORD         png_alloc_size_t;
png_alloc_size_t  591 3rdparty/libpng/pngconf.h        typedef png_size_t    png_alloc_size_t;