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- <title>"SDL_WasInit"("3") manual page</title>
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- <a href='#toc'>Table of Contents</a><p>
-
- <h2><a name='sect0' href='#toc0'>Name</a></h2>
- SDL_WasInit- Check which subsystems are initialized
- <h2><a name='sect1' href='#toc1'>Synopsis</a></h2>
- <p>
- <b>#include
- "SDL.h" <p>
- </b><b>Uint32 <b>SDL_WasInit</b></b>(<b>Uint32 flags</b>);
- <h2><a name='sect2' href='#toc2'>Description</a></h2>
- <p>
- <b>SDL_WasInit</b> allows
- you to see which SDL subsytems have been <i>initialized</i>. <b>flags</b> is a bitwise
- OR'd combination of the subsystems you wish to check (see <i><b>SDL_Init</b></i> for a
- list of subsystem flags).
- <h2><a name='sect3' href='#toc3'>Return Value</a></h2>
- <p>
- <b>SDL_WasInit</b> returns a bitwised OR'd
- combination of the initialized subsystems.
- <h2><a name='sect4' href='#toc4'>Examples</a></h2>
- <p>
- <br>
- <pre>CW
- /* Here are several ways you can use SDL_WasInit() */
- /* Get init data on all the subsystems */
- Uint32 subsystem_init;
- subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
- if(subsystem_init&SDL_INIT_VIDEO)
- printf("Video is initialized.
- ");
- else
- printf("Video is not initialized.
- ");
- /* Just check for one specfic subsystem */
- if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
- printf("Video is initialized.
- ");
- else
- printf("Video is not initialized.
- ");
- /* Check for two subsystems */
- Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
- if(SDL_WasInit(subsystem_mask)==subsystem_mask)
- printf("Video and Audio initialized.
- ");
- else
- printf("Video and Audio not initialized.
- ");
-
- </pre><p>
-
- <h2><a name='sect5' href='#toc5'>See Also</a></h2>
- <p>
- <i><b>SDL_Init</b></i>, <i><b>SDL_Subsystem</b></i>
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- <hr><p>
- <a name='toc'><b>Table of Contents</b></a><p>
- <ul>
- <li><a name='toc0' href='#sect0'>Name</a></li>
- <li><a name='toc1' href='#sect1'>Synopsis</a></li>
- <li><a name='toc2' href='#sect2'>Description</a></li>
- <li><a name='toc3' href='#sect3'>Return Value</a></li>
- <li><a name='toc4' href='#sect4'>Examples</a></li>
- <li><a name='toc5' href='#sect5'>See Also</a></li>
- </ul>
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