/*
????SDL?-?Simple?DirectMedia?layer
????Copyright?（C）?1997-2009?Sam?Lantinga

????This?library?is?free?software;?you?can?redistribute?it?and/or
????modify?it?under?the?terms?of?the?GNU?Lesser?General?Public
????License?as?published?by?the?Free?Software?Foundation;?either
????version?2.1?of?the?License?or?（at?your?option）?any?later?version.

????This?library?is?distributed?in?the?hope?that?it?will?be?useful
????but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
????MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the?GNU
????Lesser?General?Public?License?for?more?details.

????You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public
????License?along?with?this?library;?if?not?write?to?the?Free?Software
????Foundation?Inc.?51?Franklin?St?Fifth?Floor?Boston?MA??02110-1301??USA

????Sam?Lantinga
????slouken@libsdl.org
*/
#include?“SDL_config.h“

/*?Initialization?code?for?SDL?*/

#include?“SDL.h“
#include?“SDL_fatal.h“
#if?!SDL_VIDEO_DISABLED
#include?“video/SDL_leaks.h“
#endif

#if?SDL_THREAD_PTH
#include?
#endif

/*?Initialization/Cleanup?routines?*/
#if?!SDL_JOYSTICK_DISABLED
extern?int??SDL_JoystickInit（void）;
extern?void?SDL_JoystickQuit（void）;
#endif
#if?!SDL_CDROM_DISABLED
extern?int??SDL_CDROMInit（void）;
extern?void?SDL_CDROMQuit（void）;
#endif
#if?!SDL_TIMERS_DISABLED
extern?void?SDL_StartTicks（void）;
extern?int??SDL_TimerInit（void）;
extern?void?SDL_TimerQuit（void）;
#endif

/*?The?current?SDL?version?*/
static?SDL_version?version?=?
	{?SDL_MAJOR_VERSION?SDL_MINOR_VERSION?SDL_PATCHLEVEL?};

/*?The?initialized?subsystems?*/
static?Uint32?SDL_initialized?=?0;
#if?!SDL_TIMERS_DISABLED
static?Uint32?ticks_started?=?0;
#endif

#ifdef?CHECK_LEAKS
int?surfaces_allocated?=?0;
#endif

int?SDL_InitSubSystem（Uint32?flags）
{
#if?!SDL_VIDEO_DISABLED
	/*?Initialize?the?video/event?subsystem?*/
	if?（?（flags?&?SDL_INIT_VIDEO）?&&?!（SDL_initialized?&?SDL_INIT_VIDEO）?）?{
		if?（?SDL_VideoInit（SDL_getenv（“SDL_VIDEODRIVER“）
		???????????????????（flags&SDL_INIT_EVENTTHREAD））?			return（-1）;
		}
		SDL_initialized?|=?SDL_INIT_VIDEO;
	}
#else
	if?（?flags?&?SDL_INIT_VIDEO?）?{
		SDL_SetError（“SDL?not?built?with?video?support“）;
		return（-1）;
	}
#endif

#if?!SDL_AUDIO_DISABLED
	/*?Initialize?the?audio?subsystem?*/
	if?（?（flags?&?SDL_INIT_AUDIO）?&&?!（SDL_initialized?&?SDL_INIT_AUDIO）?）?{
		if?（?SDL_AudioInit（SDL_getenv（“SDL_AUDIODRIVER“））?			return（-1）;
		}
		SDL_initialized?|=?SDL_INIT_AUDIO;
	}
#else
	if?（?flags?&?SDL_INIT_AUDIO?）?{
		SDL_SetError（“SDL?not?built?with?audio?support“）;
		return（-1）;
	}
#endif

#if?!SDL_TIMERS_DISABLED
	/*?Initialize?the?timer?subsystem?*/
	if?（?!?ticks_started?）?{
		SDL_StartTicks（）;
		ticks_started?=?1;
	}
	if?（?（flags?&?SDL_INIT_TIMER）?&&?!（SDL_initialized?&?SDL_INIT_TIMER）?）?{
		if?（?SDL_TimerInit（）?			return（-1）;
		}
		SDL_initialized?|=?SDL_INIT_TIMER;
	}
#else
	if?（?flags?&?SDL_INIT_TIMER?）?{
		SDL_SetError（“SDL?not?built?with?timer?support“）;
		return（-1）;
	}
#e