NAME¶
joystick_update - query joysticks for status changes
SYNOPSIS¶
#include <vgajoystick.h>
 
int joystick_update(void);
 
DESCRIPTION¶
queries all currently opened joysticks for position changes and calls the
  appropriate event handlers.
 
A non-zero value is returned if and only if any joystick reported a position
  change. In more detail the logical and of the return value and 
(1 <<
  joydev) is non-zero if this joystick status changed.
 
CAVEATS¶
This function is only available in ELF versions of svgalib. Due to backwards
  compatibility issues it cannot be used with shared a.out libs.
 
SEE ALSO¶
svgalib(7), 
vgagl(7), 
libvga.config(5), 
joytest(6),
  
mjoytest(6), 
joystick_init(3), 
joystick_close(3),
  
joystick_sethandler(3), 
joystick_setdefaulthandler(3),
  
joystick_getnumaxes(3), 
joystick_getnumbuttons(3),
  
joystick_getaxis(3), 
joystick_getbutton(3),
  
joystick_button1(3), 
joystick_getb1(3), 
joystick_x(3),
  
joystick_getx(3).
 
AUTHOR¶
The svgalib joystick handler was mostly done by Daniel Engstr\"om
  <daniel.engstrom@riksnett.no>. Multiple joystick, VC switching support
  and code to glue it into svgalib by Michael Weller
  <eowmob@exp-math.uni-essen.de>. Part of the code is based on code from
  C. Smith and Vojtech Pavlik.