Initial. Don't... just don't ask.

doc/man3/keyboard_clearstate.3

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+.TH keyboard_clearstate 3 "29 July 1997" "Svgalib (>= 1.2.11)" "Svgalib User Manual"
+.SH NAME
+keyboard_clearstate \- reset the state of all keys when in raw keyboard mode
+.SH SYNOPSIS
+
+.B "#include <vgakeyboard.h>"
+
+.BI "void keyboard_clearstate(void);"
+
+.SH DESCRIPTION
+When in raw keyboard mode, svgalib receives press and release events from the kernel and
+keeps track which keys are currently pressed. Calling
+.B keyboard_clearstate()
+sets this information to all keys released. You can use this for cleanup at certain places
+in your program. In addition svgalib resets the states of all keys when a VC switch occurs
+because it does not know the current state of keys when it regains control of the console.
+
+.SH SEE ALSO
+
+.BR svgalib (7),
+.BR vgagl (7),
+.BR libvga.config (5),
+.BR keytest (6),
+.BR eventtest (6),
+.BR keyboard_seteventhandler (3),
+.BR keyboard_init (3),
+.BR keyboard_init_return_fd (3),
+.BR keyboard_close (3),
+.BR keyboard_setdefaulteventhandler (3),
+.BR keyboard_getstate (3),
+.BR keyboard_keypressed (3),
+.BR keyboard_translatekeys (3),
+.BR keyboard_update (3),
+.BR keyboard_waitforupdate (3),
+.BR vga_waitevent (3)
+
+.SH AUTHOR
+
+This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The
+exact source of the referenced function as well as of the original documentation is
+unknown.
+
+It is very likely that both are at least to some extent are due to
+Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
+
+Occasionally this might be wrong. I hereby
+asked to be excused by the original author and will happily accept any additions or corrections
+to this first version of the svgalib manual.