--- /dev/null
+#include "php_config.h"
+#ifdef HAVE_GD_PNG
+/* needs to be first */
+# include <png.h>
+#endif
+
+#ifdef HAVE_GD_JPG
+# include <jpeglib.h>
+#endif
+
+#ifdef HAVE_GD_JPG
+int gdJpegGetVersionInt()
+{
+ return JPEG_LIB_VERSION;
+}
+
+int gdJpegGetVersionString()
+{
+ switch(JPEG_LIB_VERSION) {
+ case 62:
+ return "6b";
+ break;
+ default:
+ return "unknown";
+ }
+}
+#endif
+
+#ifdef HAVE_GD_PNG
+const char * gdPngGetVersionString()
+{
+ return PNG_LIBPNG_VER_STRING;
+}
+#endif
+
--- /dev/null
+const char * gdPngGetVersionString();
+int gdJpegGetVersionString();
+int gdJpegGetVersionInt();
+int overflow2(int a, int b);
+