sdljoystickopen.html
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><H1
><A
NAME="SDLJOYSTICKOPEN"
>SDL_JoystickOpen</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
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NAME="AEN5708"
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></A
><H2
>Name</H2
>SDL_JoystickOpen -- Opens a joystick for use.</DIV
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CLASS="REFSYNOPSISDIV"
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>Synopsis</H2
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></A
><P
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><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_Joystick *<B
CLASS="FSFUNC"
>SDL_JoystickOpen</B
></CODE
>(int index);</CODE
></P
><P
></P
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NAME="AEN5718"
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></A
><H2
>Description</H2
><P
>Opens a joystick for use within SDL. The <TT
CLASS="PARAMETER"
><I
>index</I
></TT
> refers to the N'th joystick in the system. A joystick must be opened before it game be used.</P
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><H2
>Return Value</H2
><P
>Returns a <SPAN
CLASS="STRUCTNAME"
>SDL_Joystick</SPAN
> structure on success. <SPAN
CLASS="RETURNVALUE"
>NULL</SPAN
> on failure.</P
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><H2
>Examples</H2
><P
><PRE
CLASS="PROGRAMLISTING"
>SDL_Joystick *joy;
// Check for joystick
if(SDL_NumJoysticks()>0){
// Open joystick
joy=SDL_JoystickOpen(0);
if(joy)
{
printf("Opened Joystick 0\n");
printf("Name: %s\n", SDL_JoystickName(0));
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printf("Number of Axes: %d\n", SDL_JoystickNumAxes(joy));
printf("Number of Buttons: %d\n", SDL_JoystickNumButtons(joy));
printf("Number of Balls: %d\n", SDL_JoystickNumBalls(joy));
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}
else
printf("Couldn't open Joystick 0\n");
// Close if opened
if(SDL_JoystickOpened(0))
SDL_JoystickClose(joy);
}</PRE
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></A
><H2
>See Also</H2
><P
><A
HREF="sdljoystickclose.html"
><TT
CLASS="FUNCTION"
>SDL_JoystickClose</TT
></A
></P
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