| author | Sam Lantinga <slouken@lokigames.com> |
| Thu, 26 Apr 2001 16:45:43 +0000 | |
| changeset 0 | 74212992fb08 |
| child 55 | 55f1f1b3e27d |
| permissions | -rw-r--r-- |
| slouken@0 | 1 |
.TH "SDL_WasInit" "3" "Mon 12 Mar 2001, 01:03" "SDL" "SDL API Reference" |
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.SH "NAME" |
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SDL_WasInit\- Check which subsystems are initialized |
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.SH "SYNOPSIS" |
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.PP |
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\fB#include "SDL\&.h" |
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.sp |
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\fBUint32 \fBSDL_WasInit\fP\fR(\fBUint32 flags\fR); |
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.SH "DESCRIPTION" |
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.PP |
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\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)\&. |
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.SH "RETURN VALUE" |
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.PP |
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\fBSDL_WasInit\fP returns a bitwised OR\&'d combination of the initialized subsystems\&. |
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.SH "EXAMPLES" |
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.PP |
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.nf |
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\f(CW |
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/* Here are several ways you can use SDL_WasInit() */ |
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|
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/* Get init data on all the subsystems */ |
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Uint32 subsystem_init; |
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|
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subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); |
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|
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if(subsystem_init&SDL_INIT_VIDEO) |
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printf("Video is initialized\&.
|
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"); |
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else |
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printf("Video is not initialized\&.
|
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"); |
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|
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|
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|
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/* Just check for one specfic subsystem */ |
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|
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if(SDL_WasInit(SDL_INIT_VIDEO)!=0) |
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printf("Video is initialized\&.
|
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"); |
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else |
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printf("Video is not initialized\&.
|
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"); |
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|
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|
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|
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|
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/* Check for two subsystems */ |
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|
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Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; |
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|
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if(SDL_WasInit(subsystem_mask)==subsystem_mask) |
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printf("Video and Audio initialized\&.
|
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"); |
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else |
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printf("Video and Audio not initialized\&.
|
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"); |
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\fR |
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.fi |
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.PP |
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.SH "SEE ALSO" |
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.PP |
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\fI\fBSDL_Init\fP\fR, \fI\fBSDL_Subsystem\fP\fR |
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...\" created by instant / docbook-to-man, Mon 12 Mar 2001, 01:03 |