diff --git a/libc/kernel/common/linux/zlib.h b/libc/kernel/common/linux/zlib.h
new file mode 100644
index 0000000..052adfe
--- /dev/null
+++ b/libc/kernel/common/linux/zlib.h
@@ -0,0 +1,80 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _ZLIB_H
+#define _ZLIB_H
+
+#include <linux/zconf.h>
+
+struct internal_state;
+
+typedef struct z_stream_s {
+ Byte *next_in;
+ uInt avail_in;
+ uLong total_in;
+
+ Byte *next_out;
+ uInt avail_out;
+ uLong total_out;
+
+ char *msg;
+ struct internal_state *state;
+
+ void *workspace;
+
+ int data_type;
+ uLong adler;
+ uLong reserved;
+} z_stream;
+
+typedef z_stream *z_streamp;
+
+#define Z_NO_FLUSH 0
+#define Z_PARTIAL_FLUSH 1  
+#define Z_PACKET_FLUSH 2
+#define Z_SYNC_FLUSH 3
+#define Z_FULL_FLUSH 4
+#define Z_FINISH 5
+#define Z_BLOCK 6  
+
+#define Z_OK 0
+#define Z_STREAM_END 1
+#define Z_NEED_DICT 2
+#define Z_ERRNO (-1)
+#define Z_STREAM_ERROR (-2)
+#define Z_DATA_ERROR (-3)
+#define Z_MEM_ERROR (-4)
+#define Z_BUF_ERROR (-5)
+#define Z_VERSION_ERROR (-6)
+
+#define Z_NO_COMPRESSION 0
+#define Z_BEST_SPEED 1
+#define Z_BEST_COMPRESSION 9
+#define Z_DEFAULT_COMPRESSION (-1)
+
+#define Z_FILTERED 1
+#define Z_HUFFMAN_ONLY 2
+#define Z_DEFAULT_STRATEGY 0
+
+#define Z_BINARY 0
+#define Z_ASCII 1
+#define Z_UNKNOWN 2
+
+#define Z_DEFLATED 8
+
+#define zlib_deflateInit(strm, level)   zlib_deflateInit2((strm), (level), Z_DEFLATED, MAX_WBITS,   DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY)
+#define zlib_inflateInit(strm)   zlib_inflateInit2((strm), DEF_WBITS)
+
+#if !defined(_Z_UTIL_H) && !defined(NO_DUMMY_DECL)
+ struct internal_state {int dummy;};
+#endif
+
+#endif