PNG_USER_HEIGHT_MAX   32 pngconf.h      #    undef PNG_USER_HEIGHT_MAX
PNG_USER_HEIGHT_MAX   33 pngconf.h      #    define PNG_USER_HEIGHT_MAX 1000000L
PNG_USER_HEIGHT_MAX  316 pngpriv.h      #     define PNG_USER_HEIGHT_MAX 1000000
PNG_USER_HEIGHT_MAX  330 pngpriv.h      #     define PNG_USER_HEIGHT_MAX 0x7fffffff