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