add MBR_IS_EXTENDED() to detect one of the extended MBR partition types
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@ -1,4 +1,4 @@
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/* $NetBSD: disklabel_mbr.h,v 1.5 1999/09/23 15:21:12 ws Exp $ */
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/* $NetBSD: disklabel_mbr.h,v 1.6 2000/12/24 13:30:51 lukem Exp $ */
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/*
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* Copyright (c) 1994, 1998 Christopher G. Demetriou
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@ -83,4 +83,8 @@ struct mbr_partition {
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#define MBR_PSECT(s) ((s) & 0x3f)
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#define MBR_PCYL(c, s) ((c) + (((s) & 0xc0) << 2))
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#define MBR_IS_EXTENDED(x) ((x) == MBR_PTYPE_EXT || \
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(x) == MBR_PTYPE_EXT_LBA || \
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(x) == MBR_PTYPE_EXT_LNX)
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#endif /* _SYS_DISKLABEL_MBR_H_ */
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