diff --git a/cfg/zlib.cfg b/cfg/zlib.cfg
index 2bc85178f..33a33c13b 100644
--- a/cfg/zlib.cfg
+++ b/cfg/zlib.cfg
@@ -1,15 +1,42 @@
 <?xml version="1.0"?>
 <def format="2">
   <!-- Reference to zlib documention https://www.zlib.net/manual.html -->
-  <define name="Z_OK" value="0"/>
-  <define name="Z_STREAM_END" value="1"/>
-  <define name="Z_NEED_DICT" value="2"/>
-  <define name="Z_ERRNO" value="(-1)"/>
-  <define name="Z_STREAM_ERROR" value="(-2)"/>
-  <define name="Z_DATA_ERROR" value="(-3)"/>
-  <define name="Z_MEM_ERROR" value="(-4)"/>
-  <define name="Z_BUF_ERROR" value="(-5)"/>
-  <define name="Z_VERSION_ERROR" value="(-6)"/>
+  <!-- Data structures and types -->
+  <podtype name="alloc_func"/>
+  <podtype name="Byte" sign="u" size="1"/>
+  <podtype name="Bytef" sign="u" size="1"/>
+  <podtype name="charf" sign="s" size="1"/>
+  <podtype name="free_func"/>
+  <podtype name="gzFile"/>
+  <podtype name="gzFile_s"/>
+  <podtype name="gz_header"/>
+  <podtype name="gz_headerp"/>
+  <podtype name="gz_header_s"/>
+  <podtype name="intf" sign="s"/>
+  <podtype name="uInt" sign="u"/>
+  <podtype name="uIntf"/>
+  <podtype name="uLong" sign="u"/>
+  <podtype name="uLongf" sign="u"/>
+  <podtype name="voidp"/>
+  <podtype name="voidpc"/>
+  <podtype name="voidpf"/>
+  <podtype name="z_crc_t" sign="u"/>
+  <podtype name="z_off_t" sign="s"/>
+  <podtype name="z_off64_t" sign="s" size="8"/>
+  <podtype name="z_stream"/>
+  <podtype name="z_streamp"/>
+  <podtype name="z_stream_s"/>
+  <!-- Defines -->
+  <define name="z_const" value="const"/>
+  <define name="z_longlong" value="long long"/>
+  <define name="z_size_t" value="size_t"/>
+  <define name="Z_NO_FLUSH" value="0"/>
+  <define name="Z_PARTIAL_FLUSH" value="1"/>
+  <define name="Z_SYNC_FLUSH" value="2"/>
+  <define name="Z_FULL_FLUSH" value="3"/>
+  <define name="Z_FINISH" value="4"/>
+  <define name="Z_BLOCK" value="5"/>
+  <define name="Z_TREES" value="6"/>
   <define name="Z_OK" value="0"/>
   <define name="Z_STREAM_END" value="1"/>
   <define name="Z_NEED_DICT" value="2"/>
@@ -34,18 +61,1254 @@
   <define name="Z_UNKNOWN" value="2"/>
   <define name="Z_DEFLATED" value="8"/>
   <define name="Z_NULL" value="0"/>
-  <!-- ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); -->
-  <function name="gzerror">
-    <noreturn>false</noreturn>
+  <define name="zlib_version" value="zlibVersion()"/>
+  <!-- Functions -->
+  <function name="zlibVersion">
     <leak-ignore/>
     <use-retval/>
+    <returnValue type="const char*"/>
+    <noreturn>false</noreturn>
+  </function>
+  <function name="deflateInit">
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
     <arg nr="1">
-      <not-uninit/>
+      <not-bool/>
       <not-null/>
     </arg>
     <arg nr="2">
+      <not-bool/>
       <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflate">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateEnd">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateInit">
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
       <not-null/>
     </arg>
   </function>
+  <function name="inflate">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateEnd">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- Advanced functions -->
+  <function name="deflateInit2">
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="5">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="6">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateSetDictionary">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="deflateGetDictionary">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+    </arg>
+  </function>
+  <function name="deflateCopy">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateReset">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateParams">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateTune">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="5">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateBound">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="deflatePending">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+    </arg>
+  </function>
+  <function name="deflatePrime">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>:16</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateSetHeader">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateInit2">
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateSetDictionary">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="inflateGetDictionary">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+    </arg>
+  </function>
+  <function name="inflateSync">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateCopy">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateReset">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateReset2">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflatePrime">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>:16</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateMark">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="long"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateGetHeader">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+    </arg>
+  </function>
+  <function name="inflateBackInit">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="2"/>
+    </arg>
+  </function>
+  <function name="inflateBack">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="5">
+      <not-bool/>
+    </arg>
+  </function>
+  <function name="inflateBackEnd">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- Utility functions -->
+  <function name="compress">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="4"/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="compress2">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="4"/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="5">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="compressBound">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="uncompress">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="4"/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="uncompress2">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="4"/>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- gzip file access function -->
+  <memory>
+    <alloc init="true">gzopen</alloc>
+    <alloc init="true">gzopen64</alloc>
+    <alloc init="true">gzdopen</alloc>
+    <alloc init="true">gzopen_w</alloc>
+    <dealloc>gzclose</dealloc>
+    <dealloc>gzclose_r</dealloc>
+    <dealloc>gzclose_w</dealloc>
+  </memory>
+  <function name="gzopen,gzopen64">
+    <use-retval/>
+    <returnValue type="gzFile"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+  </function>
+  <function name="gzdopen">
+    <use-retval/>
+    <returnValue type="gzFile"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+  </function>
+  <function name="gzbuffer">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="gzsetparams">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzread">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="gzfread">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_size_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <minsize type="mul" arg="2" arg2="3"/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzwrite">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="gzwrite">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_size_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <minsize type="mul" arg="2" arg2="3"/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="4">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzprintf">
+    <formatstr/>
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <formatstr/>
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+  </function>
+  <function name="gzputs">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+  </function>
+  <function name="gzgets">
+    <leak-ignore/>
+    <returnValue type="char*"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzputc">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:255</valid>
+    </arg>
+  </function>
+  <function name="gzgetc">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzungetc">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:255</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzflush">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzseek">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzseek64">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off64_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzrewind">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gztell">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gztell64">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off64_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzoffset">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzoffset64">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_off64_t"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzeof">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzdirect">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzclose,gzclose_r,gzclose_w">
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzerror">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="const char*"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+    </arg>
+  </function>
+  <function name="gzclearerr">
+    <leak-ignore/>
+    <returnValue type="void"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- Checksum functions -->
+  <function name="adler32_z">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="adler32_z">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="adler32_combine,adler32_combine64">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="crc32">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="crc32_z">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+  </function>
+  <function name="crc32_combine,crc32_combine64">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="uLong"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-uninit/>
+      <valid>0:</valid>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- Undocumented functions -->
+  <function name="zError">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="const char*"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateSyncPoint">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="get_crc_table">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="z_crc_t"/>
+    <noreturn>false</noreturn>
+  </function>
+  <function name="inflateUndermine">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateValidate">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="inflateCodesUsed">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="unsigned long"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="deflateResetKeep,inflateResetKeep">
+    <leak-ignore/>
+    <use-retval/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+  </function>
+  <function name="gzvprintf">
+    <leak-ignore/>
+    <returnValue type="int"/>
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-bool/>
+      <not-null/>
+      <not-uninit/>
+      <strz/>
+    </arg>
+    <arg nr="3">
+      <not-bool/>
+    </arg>
+  </function>
 </def>