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1 | .TH "SDL_WasInit" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" |
2 | .SH "NAME" |
3 | SDL_WasInit \- Check which subsystems are initialized |
4 | .SH "SYNOPSIS" |
5 | .PP |
6 | \fB#include "SDL\&.h" |
7 | .sp |
8 | \fBUint32 \fBSDL_WasInit\fP\fR(\fBUint32 flags\fR); |
9 | .SH "DESCRIPTION" |
10 | .PP |
11 | \fBSDL_WasInit\fP allows you to see which SDL subsytems have been \fIinitialized\fR\&. \fBflags\fR is a bitwise OR\&'d combination of the subsystems you wish to check (see \fI\fBSDL_Init\fP\fR for a list of subsystem flags)\&. |
12 | .SH "RETURN VALUE" |
13 | .PP |
14 | \fBSDL_WasInit\fP returns a bitwised OR\&'d combination of the initialized subsystems\&. |
15 | .SH "EXAMPLES" |
16 | .PP |
17 | .nf |
18 | \f(CW |
19 | /* Here are several ways you can use SDL_WasInit() */ |
20 | |
21 | /* Get init data on all the subsystems */ |
22 | Uint32 subsystem_init; |
23 | |
24 | subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); |
25 | |
26 | if(subsystem_init&SDL_INIT_VIDEO) |
27 | printf("Video is initialized\&. |
28 | "); |
29 | else |
30 | printf("Video is not initialized\&. |
31 | "); |
32 | |
33 | |
34 | |
35 | /* Just check for one specfic subsystem */ |
36 | |
37 | if(SDL_WasInit(SDL_INIT_VIDEO)!=0) |
38 | printf("Video is initialized\&. |
39 | "); |
40 | else |
41 | printf("Video is not initialized\&. |
42 | "); |
43 | |
44 | |
45 | |
46 | |
47 | /* Check for two subsystems */ |
48 | |
49 | Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; |
50 | |
51 | if(SDL_WasInit(subsystem_mask)==subsystem_mask) |
52 | printf("Video and Audio initialized\&. |
53 | "); |
54 | else |
55 | printf("Video and Audio not initialized\&. |
56 | "); |
57 | \fR |
58 | .fi |
59 | .PP |
60 | .SH "SEE ALSO" |
61 | .PP |
62 | \fI\fBSDL_Init\fP\fR, \fI\fBSDL_Subsystem\fP\fR |
63 | .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00 |