joystick_update(3)						Svgalib User Manual						joystick_update(3)

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_set-
       defaulthandler(3), joystick_getnumaxes(3), joystick_getnumbuttons(3), joystick_getaxis(3), joystick_getbutton(3), joystick_button1(3), joy-
       stick_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)