tune the preloads a bit
[sdl_omap.git] / docs / man3 / SDL_WasInit.3
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1.TH "SDL_WasInit" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
2.SH "NAME"
3SDL_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 */
22Uint32 subsystem_init;
23
24subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
25
26if(subsystem_init&SDL_INIT_VIDEO)
27 printf("Video is initialized\&.
28");
29else
30 printf("Video is not initialized\&.
31");
32
33
34
35/* Just check for one specfic subsystem */
36
37if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
38 printf("Video is initialized\&.
39");
40else
41 printf("Video is not initialized\&.
42");
43
44
45
46
47/* Check for two subsystems */
48
49Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
50
51if(SDL_WasInit(subsystem_mask)==subsystem_mask)
52 printf("Video and Audio initialized\&.
53");
54else
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