1 /*
2  * zlib header fields
3  */
4 enum
5 {
6 	ZlibMeth	= 0x0f,			/* mask of compression methods */
7 	ZlibDeflate	= 0x08,
8 
9 	ZlibCInfo	= 0xf0,			/* mask of compression aux. info */
10 	ZlibWin32k	= 0x70			/* 32k history window */
11 };