[sdl_omap.git] / docs / man3 / SDL_WasInit.3

.TH "SDL_WasInit" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_WasInit \- Check which subsystems are initialized
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBUint32 \fBSDL_WasInit\fP\fR(\fBUint32 flags\fR);
.SH "DESCRIPTION"
.PP
\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)\&.
.SH "RETURN VALUE"
.PP
\fBSDL_WasInit\fP returns a bitwised OR\&'d combination of the initialized subsystems\&.
.SH "EXAMPLES"
.PP
.nf
\f(CW
/* Here are several ways you can use SDL_WasInit() */

/* Get init data on all the subsystems */
Uint32 subsystem_init;

subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);

if(subsystem_init&SDL_INIT_VIDEO)
  printf("Video is initialized\&.
");
else
  printf("Video is not initialized\&.
");


/* Just check for one specfic subsystem */

if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
  printf("Video is initialized\&.
");
else
  printf("Video is not initialized\&.
");


/* Check for two subsystems */

Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;

if(SDL_WasInit(subsystem_mask)==subsystem_mask)
  printf("Video and Audio initialized\&.
");
else
  printf("Video and Audio not initialized\&.
");
\fR
.fi
.PP
.SH "SEE ALSO"
.PP
\fI\fBSDL_Init\fP\fR, \fI\fBSDL_Subsystem\fP\fR
.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00
Commit	Line	Data
	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