K 10 svn:author V 7 iedowse K 8 svn:date V 27 2001-03-25T15:32:39.000000Z K 7 svn:log V 186 MFC: pccard.c r1.117, pccard_beep.c r1.7 Avoid duplicate or incorrect beep tones. Don't depend on undefined C behaviour, and use 0 instead of NULL for an integer zero. Approved by: jkh END