Sortix cross-nightly manual

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SDL_JoystickOpen(3)

SDL API Reference

SDL_JoystickOpen(3)

NAME

SDL_JoystickOpen - Opens a joystick for use.

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);
}