/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ /* * gzip header fields */enum{	GZMAGIC1	= 0x1f,	GZMAGIC2	= 0x8b, 	GZDEFLATE	= 8, 	GZFTEXT		= 1 << 0,		/* file is text */	GZFHCRC		= 1 << 1,		/* crc of header included */	GZFEXTRA	= 1 << 2,		/* extra header included */	GZFNAME		= 1 << 3,		/* name of file included */	GZFCOMMENT	= 1 << 4,		/* header comment included */	GZFMASK		= (1 << 5) -1,		/* mask of specified bits */ 	GZXFAST		= 2,			/* used fast algorithm, little compression */	GZXBEST		= 4,			/* used maximum compression algorithm */ 	GZOSFAT		= 0,			/* FAT file system */	GZOSAMIGA	= 1,			/* Amiga */	GZOSVMS		= 2,			/* VMS or OpenVMS */	GZOSUNIX	= 3,			/* Unix */	GZOSVMCMS	= 4,			/* VM/CMS */	GZOSATARI	= 5,			/* Atari TOS */	GZOSHPFS	= 6,			/* HPFS file system */	GZOSMAC		= 7,			/* Macintosh */	GZOSZSYS	= 8,			/* Z-System */	GZOSCPM		= 9,			/* CP/M */	GZOSTOPS20	= 10,			/* TOPS-20 */	GZOSNTFS	= 11,			/* NTFS file system */	GZOSQDOS	= 12,			/* QDOS */	GZOSACORN	= 13,			/* Acorn RISCOS */	GZOSUNK		= 255, 	GZCRCPOLY	= 0xedb88320UL, 	GZOSINFERNO	= GZOSUNIX,};