joystick_getnumbuttons man page on aLinux

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joystick_getnumaxes(3)	      Svgalib User Manual	joystick_getnumaxes(3)

NAME
       joystick_getnumaxes, joystick_getnumbuttons - query the capabilities of
       a joystick

SYNOPSIS
       #include <vgajoystick.h>

       char joystick_getnumaxes(int joydev);
       char joystick_getnumbuttons(int joydev);

DESCRIPTION
       queries the number of axes (number of continuous ranges which the  joy‐
       stick  allows to choose from) and buttons. The old version 0.* joystick
       protocol reports 2 axes (x and y) and 4	buttons	 although  the	actual
       joystick will usually have less (often two) buttons.

       svgalib	supports  up  to 127 axes and buttons, provided the underlying
       device driver does it.

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),  joy‐
       stick_init(3),	   joystick_close(3),	  joystick_update(3),	  joy‐
       stick_sethandler(3),	   joystick_setdefaulthandler(3),	  joy‐
       stick_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_getnumaxes(3)
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