$ ls -la /usr/include/SDL
total 683
drwxr-xr-x 2 cmdadmin Administrators  16384 May  3 10:04 .
drwxr-xr-x 3 cmdadmin Administrators  16384 May  3 10:04 ..
-rw-r--r-- 1 cmdadmin Administrators   3233 Apr 26 15:17 SDL.h
-rw-r--r-- 1 cmdadmin Administrators   1933 Apr 26 15:17 SDL_active.h
-rw-r--r-- 1 cmdadmin Administrators  11215 Apr 26 15:17 SDL_audio.h
-rw-r--r-- 1 cmdadmin Administrators    986 Apr 26 15:17 SDL_byteorder.h
-rw-r--r-- 1 cmdadmin Administrators   6048 Apr 26 15:17 SDL_cdrom.h
-rw-r--r-- 1 cmdadmin Administrators   9127 Apr 26 15:17 SDL_config.h
-rw-r--r-- 1 cmdadmin Administrators   2221 Apr 26 15:17 SDL_cpuinfo.h
-rw-r--r-- 1 cmdadmin Administrators   6055 Apr 26 15:17 SDL_endian.h
-rw-r--r-- 1 cmdadmin Administrators   1874 Apr 26 15:17 SDL_error.h
-rw-r--r-- 1 cmdadmin Administrators  13041 Apr 26 15:17 SDL_events.h
-rw-r--r-- 1 cmdadmin Administrators   2607 Apr 29 13:45 SDL_framerate.h
-rw-r--r-- 1 cmdadmin Administrators    979 Apr 26 15:17 SDL_getenv.h
-rw-r--r-- 1 cmdadmin Administrators   4510 Apr 29 13:45 SDL_gfxBlitFunc.h
-rw-r--r-- 1 cmdadmin Administrators  10961 Apr 29 13:45 SDL_gfxPrimitives.h
-rw-r--r-- 1 cmdadmin Administrators  55909 Apr 29 13:45 SDL_gfxPrimitives_font.h
-rw-r--r-- 1 cmdadmin Administrators   5513 Apr 29 13:23 SDL_image.h
-rw-r--r-- 1 cmdadmin Administrators  10318 Apr 29 13:45 SDL_imageFilter.h
-rw-r--r-- 1 cmdadmin Administrators   5532 Apr 26 15:17 SDL_joystick.h
-rw-r--r-- 1 cmdadmin Administrators   4098 Apr 26 15:17 SDL_keyboard.h
-rw-r--r-- 1 cmdadmin Administrators   7492 Apr 26 15:17 SDL_keysym.h
-rw-r--r-- 1 cmdadmin Administrators   2739 Apr 26 15:17 SDL_loadso.h
-rw-r--r-- 1 cmdadmin Administrators   2866 Apr 26 15:17 SDL_main.h
-rw-r--r-- 1 cmdadmin Administrators  27739 Apr 30 17:08 SDL_mixer.h
-rw-r--r-- 1 cmdadmin Administrators   4754 Apr 26 15:17 SDL_mouse.h
-rw-r--r-- 1 cmdadmin Administrators   5860 Apr 26 15:17 SDL_mutex.h
-rw-r--r-- 1 cmdadmin Administrators    183 Apr 26 15:17 SDL_name.h
-rw-r--r-- 1 cmdadmin Administrators 336544 Apr 26 15:17 SDL_opengl.h
-rw-r--r-- 1 cmdadmin Administrators   2708 Apr 26 15:17 SDL_platform.h
-rw-r--r-- 1 cmdadmin Administrators   2009 Apr 26 15:17 SDL_quit.h
-rw-r--r-- 1 cmdadmin Administrators   2960 Apr 29 13:45 SDL_rotozoom.h
-rw-r--r-- 1 cmdadmin Administrators   4958 Apr 26 15:17 SDL_rwops.h
-rw-r--r-- 1 cmdadmin Administrators  16473 Apr 26 15:17 SDL_stdinc.h
-rw-r--r-- 1 cmdadmin Administrators   6319 Apr 26 15:17 SDL_syswm.h
-rw-r--r-- 1 cmdadmin Administrators   4242 Apr 26 15:17 SDL_thread.h
-rw-r--r-- 1 cmdadmin Administrators   4527 Apr 26 15:17 SDL_timer.h
-rw-r--r-- 1 cmdadmin Administrators  10711 Apr 29 13:36 SDL_ttf.h
-rw-r--r-- 1 cmdadmin Administrators    979 Apr 26 15:17 SDL_types.h
-rw-r--r-- 1 cmdadmin Administrators   2637 Apr 26 15:17 SDL_version.h
-rw-r--r-- 1 cmdadmin Administrators  38018 Apr 26 15:17 SDL_video.h
-rw-r--r-- 1 cmdadmin Administrators   5230 Apr 26 15:17 begin_code.h
-rw-r--r-- 1 cmdadmin Administrators   1482 Apr 26 15:17 close_code.h