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Man Pages


Manual Reference Pages  -  SDL_JOYSTICKOPEN (3)

NAME

SDL_JoystickOpen - Opens a joystick for use.

CONTENTS

SYNOPSIS

#include "SDL.h"

SDL_Joystick *SDL_JoystickOpen(int index);

DESCRIPTION

Opens a joystick for use within SDL. The index refers to the N’th joystick in the system. A joystick must be opened before it game be used.

RETURN VALUE

Returns a SDL_Joystick structure on success. NULL on failure.

EXAMPLES

SDL_Joystick *joy;
// Check for joystick
if(SDL_NumJoysticks()>0){
  // Open joystick
  joy=SDL_JoystickOpen(0);
 
  if(joy)
  {
    printf("Opened Joystick 0
");
    printf("Name: %s
", SDL_JoystickName(0));
    printf("Number of Axes: %d
", SDL_JoystickNumAxes(joy));
    printf("Number of Buttons: %d
", SDL_JoystickNumButtons(joy));
    printf("Number of Balls: %d
", SDL_JoystickNumBalls(joy));
  }
  else
    printf("Couldn’t open Joystick 0
");
 
  // Close if opened
  if(SDL_JoystickOpened(0))
    SDL_JoystickClose(joy);
}

SEE ALSO

SDL_JoystickClose

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SDL SDL_JOYSTICKOPEN (3) Tue 11 Sep 2001, 23:00

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