1305 #  undef PNGAPI
1306 #  define PNGAPI __cdecl  macro
1332 #  ifndef PNGAPI
1334 #        define PNGAPI __cdecl  macro
1336 #        define PNGAPI _cdecl  macro
1347 #     define PNG_EXPORT_TYPE1(type,symbol)  PNG_IMPEXP type PNGAPI symbol
1348 #     define PNG_EXPORT_TYPE2(type,symbol)  type PNG_IMPEXP PNGAPI symbol
1376 #      ifndef PNGAPI
1377 #         define PNGAPI _System  macro
1385 #ifndef PNGAPI
1386 #  define PNGAPI  macro
1404 #  define PNG_EXPORT(type,symbol) PNG_IMPEXP type PNGAPI symbol