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.

Svgalib 1.3.0                                     14 April 1998                               joystick_update(3)