<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook V3.1//EN"> <para> The <keycap>F1</keycap> key on an IBM PC keyboard generates the scan code <keycode>0x3B</keycode> when pressed. This value is defined as <keysym>KEY_F1</keysym> in <filename class="headerfile">keyboard.h</filename>. </para>