Added initial support for Quartz video (thanks Darrell!)

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%4048

include/SDL_main.h

@@ -31,7 +31,7 @@ static char rcsid =
 /* Redefine main() on Win32 and MacOS so that it is called by winmain.c */
 
 #if defined(WIN32) || (defined(__MWERKS__) && !defined(__BEOS__)) || \
-    defined(macintosh)
+    defined(macintosh) || defined(__APPLE__)
 
 #ifdef __cplusplus
 #define C_LINKAGE	"C"

include/SDL_video.h

@@ -878,6 +878,10 @@ typedef enum {
  */
 extern DECLSPEC SDL_GrabMode SDL_WM_GrabInput(SDL_GrabMode mode);
 
+/* Not in public API at the moment - do not use! */
+extern DECLSPEC int SDL_SoftStretch(SDL_Surface *src, SDL_Rect *srcrect,
+                                    SDL_Surface *dst, SDL_Rect *dstrect);
+                    
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }