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  4. >General</TITLE
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  43. >SDL Library Documentation</TH
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  74. ><H1
  75. ><A
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  77. >Chapter 5. General</A
  78. ></H1
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  84. >Table of Contents</B
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  86. ><DT
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  89. >SDL_Init</A
  90. > &#8212; Initializes SDL</DT
  91. ><DT
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  93. HREF="sdlinitsubsystem.html"
  94. >SDL_InitSubSystem</A
  95. > &#8212; Initialize subsystems</DT
  96. ><DT
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  98. HREF="sdlquitsubsystem.html"
  99. >SDL_QuitSubSystem</A
  100. > &#8212; Shut down a subsystem</DT
  101. ><DT
  102. ><A
  103. HREF="sdlquit.html"
  104. >SDL_Quit</A
  105. > &#8212; Shut down SDL</DT
  106. ><DT
  107. ><A
  108. HREF="sdlwasinit.html"
  109. >SDL_WasInit</A
  110. > &#8212; Check which subsystems are initialized</DT
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  114. >Before SDL can be used in a program it must be initialized with <A
  115. HREF="sdlinit.html"
  116. ><TT
  117. CLASS="FUNCTION"
  118. >SDL_Init</TT
  119. ></A
  120. >. <TT
  121. CLASS="FUNCTION"
  122. >SDL_Init</TT
  123. > initializes all the subsystems that the user requests (video, audio, joystick, timers and/or cdrom). Once SDL is initialized with <TT
  124. CLASS="FUNCTION"
  125. >SDL_Init</TT
  126. > subsystems can be shut down and initialized as needed using <A
  127. HREF="sdlinitsubsystem.html"
  128. ><TT
  129. CLASS="FUNCTION"
  130. >SDL_InitSubSystem</TT
  131. ></A
  132. > and <A
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  134. ><TT
  135. CLASS="FUNCTION"
  136. >SDL_QuitSubSystem</TT
  137. ></A
  138. >.</P
  139. ><P
  140. >SDL must also be shut down before the program exits to make sure it cleans up correctly. Calling <A
  141. HREF="sdlquit.html"
  142. ><TT
  143. CLASS="FUNCTION"
  144. >SDL_Quit</TT
  145. ></A
  146. > shuts down all subsystems and frees any resources allocated to SDL.</P
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  201. >SDL_Init</TD
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