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berkeley db 4.6.21的源码。berkeley db是一个简单的数据库管理系统

Database files to use to test the magic files.
__B == btree
__H == hash
	.BE == big-endian
	.LE == little-endian
		.185 == DB 1.85
		.186 == DB 1.86
		.2 == DB 2.X