taglinefilesource code
diacr115drivers/char/keyboard.cstatic int diacr = -1;
diacr471drivers/char/keyboard.cif (diacr == value) {  /* pressed twice */
diacr472drivers/char/keyboard.cdiacr = -1;
diacr476drivers/char/keyboard.cdiacr = value;
diacr501drivers/char/keyboard.cint d = diacr, e;
diacr503drivers/char/keyboard.cif (diacr == -1)
diacr506drivers/char/keyboard.cdiacr = -1;