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71><H1
72><A
73NAME="SDLWASINIT"
74></A
75>SDL_WasInit</H1
76><DIV
77CLASS="REFNAMEDIV"
78><A
79NAME="AEN617"
80></A
81><H2
82>Name</H2
83>SDL_WasInit&nbsp;--&nbsp;Check which subsystems are initialized</DIV
84><DIV
85CLASS="REFSYNOPSISDIV"
86><A
87NAME="AEN620"
88></A
89><H2
90>Synopsis</H2
91><DIV
92CLASS="FUNCSYNOPSIS"
93><A
94NAME="AEN621"
95></A
96><P
97></P
98><PRE
99CLASS="FUNCSYNOPSISINFO"
100>#include "SDL.h"</PRE
101><P
102><CODE
103><CODE
104CLASS="FUNCDEF"
105>Uint32 <B
106CLASS="FSFUNC"
107>SDL_WasInit</B
108></CODE
109>(Uint32 flags);</CODE
110></P
111><P
112></P
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115><DIV
116CLASS="REFSECT1"
117><A
118NAME="AEN627"
119></A
120><H2
121>Description</H2
122><P
123><TT
124CLASS="FUNCTION"
125>SDL_WasInit</TT
126> allows you to see which SDL subsytems have been <A
127HREF="sdlinit.html"
128>initialized</A
129>. <TT
130CLASS="PARAMETER"
131><I
132>flags</I
133></TT
134> is a bitwise OR'd combination of the subsystems you wish to check (see <A
135HREF="sdlinit.html"
136><TT
137CLASS="FUNCTION"
138>SDL_Init</TT
139></A
140> for a list of subsystem flags).</P
141></DIV
142><DIV
143CLASS="REFSECT1"
144><A
145NAME="AEN635"
146></A
147><H2
148>Return Value</H2
149><P
150><TT
151CLASS="FUNCTION"
152>SDL_WasInit</TT
153> returns a bitwised OR'd combination of the initialized subsystems.</P
154></DIV
155><DIV
156CLASS="REFSECT1"
157><A
158NAME="AEN639"
159></A
160><H2
161>Examples</H2
162><PRE
163CLASS="PROGRAMLISTING"
164>&#13;/* Here are several ways you can use SDL_WasInit() */
165
166/* Get init data on all the subsystems */
167Uint32 subsystem_init;
168
169subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
170
171if(subsystem_init&#38;SDL_INIT_VIDEO)
172  printf("Video is initialized.\n");
173else
174  printf("Video is not initialized.\n");
175
176
177
178/* Just check for one specfic subsystem */
179
180if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
181  printf("Video is initialized.\n");
182else
183  printf("Video is not initialized.\n");
184
185
186
187
188/* Check for two subsystems */
189
190Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
191
192if(SDL_WasInit(subsystem_mask)==subsystem_mask)
193  printf("Video and Audio initialized.\n");
194else
195  printf("Video and Audio not initialized.\n");&#13;</PRE
196></DIV
197><DIV
198CLASS="REFSECT1"
199><A
200NAME="AEN642"
201></A
202><H2
203>See Also</H2
204><P
205><A
206HREF="sdlinit.html"
207><TT
208CLASS="FUNCTION"
209>SDL_Init</TT
210></A
211>,
212<A
213HREF="sdlinitsubsystem.html"
214><TT
215CLASS="FUNCTION"
216>SDL_Subsystem</TT
217></A
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