diff --git a/src/engine/blend.hh b/src/engine/blend.hh
index 10f390f..e4ed332 100644
--- a/src/engine/blend.hh
+++ b/src/engine/blend.hh
@@ -2,11 +2,11 @@
 #define ENGINE_BLEND_HH
 
 #include <sauerlib/types.hh>
+#include <sauerlib/stream.hh>
 
 #include <shared/gl.hh>
 
 #include <shared/geom.hh>
-#include <shared/tools.hh>
 
 extern int worldsize; /* FIXME: remove */
 
diff --git a/src/engine/command.cc b/src/engine/command.cc
index 52478e1..d7ba469 100644
--- a/src/engine/command.cc
+++ b/src/engine/command.cc
@@ -9,8 +9,10 @@
 #include <algorithm>
 
 #include <sauerlib/encoding.hh>
+#include <sauerlib/stream.hh>
 
 #include <shared/igame.hh>
+#include <shared/zip.hh>
 
 #include "console.hh"
 #include "main.hh" // fatal, timings
diff --git a/src/engine/console.hh b/src/engine/console.hh
index 7ee18d9..229503f 100644
--- a/src/engine/console.hh
+++ b/src/engine/console.hh
@@ -1,7 +1,7 @@
 #ifndef ENGINE_CONSOLE_HH
 #define ENGINE_CONSOLE_HH
 
-#include <shared/tools.hh>
+#include <sauerlib/stream.hh>
 
 struct tagval; /* command.hh */
 struct ident;
diff --git a/src/engine/main.cc b/src/engine/main.cc
index f3c7954..b24625e 100644
--- a/src/engine/main.cc
+++ b/src/engine/main.cc
@@ -7,6 +7,7 @@
 #include <algorithm>
 
 #include <sauerlib/encoding.hh>
+#include <sauerlib/stream.hh>
 
 #include <shared/command.hh>
 #include <shared/glemu.hh>
diff --git a/src/engine/movie.cc b/src/engine/movie.cc
index 77449ee..c042f36 100644
--- a/src/engine/movie.cc
+++ b/src/engine/movie.cc
@@ -11,6 +11,8 @@
 
 #include <cassert>
 
+#include <sauerlib/stream.hh>
+
 #include <shared/command.hh>
 
 #include "console.hh" /* conoutf */
diff --git a/src/engine/octaedit.cc b/src/engine/octaedit.cc
index 361e946..0a0f59f 100644
--- a/src/engine/octaedit.cc
+++ b/src/engine/octaedit.cc
@@ -8,6 +8,7 @@
 #include <shared/command.hh>
 #include <shared/glemu.hh>
 #include <shared/igame.hh>
+#include <shared/gzstream.hh>
 
 #include "blend.hh"
 #include "command.hh"
diff --git a/src/engine/pvs.hh b/src/engine/pvs.hh
index f12f02a..1e2c10f 100644
--- a/src/engine/pvs.hh
+++ b/src/engine/pvs.hh
@@ -1,8 +1,9 @@
 #ifndef ENGINE_PVS_HH
 #define ENGINE_PVS_HH
 
+#include <sauerlib/stream.hh>
+
 #include <shared/geom.hh>
-#include <shared/tools.hh>
 
 void clearpvs();
 bool pvsoccluded(const ivec &bbmin, const ivec &bbmax);
diff --git a/src/engine/rendermodel.cc b/src/engine/rendermodel.cc
index 5a50ef5..15bc77f 100644
--- a/src/engine/rendermodel.cc
+++ b/src/engine/rendermodel.cc
@@ -6,6 +6,7 @@
 #include <algorithm>
 
 #include <sauerlib/encoding.hh>
+#include <sauerlib/stream.hh>
 
 #include <shared/command.hh>
 #include <shared/glemu.hh>
diff --git a/src/engine/texture.cc b/src/engine/texture.cc
index 85e2b31..6ba0823 100644
--- a/src/engine/texture.cc
+++ b/src/engine/texture.cc
@@ -12,7 +12,9 @@
 
 #include <shared/command.hh>
 #include <shared/igame.hh>
+#include <shared/gzstream.hh>
 #include <shared/rwops.hh>
+#include <shared/zip.hh>
 
 #include "command.hh" // identflags
 #include "console.hh" /* conoutf */
diff --git a/src/engine/worldio.cc b/src/engine/worldio.cc
index 822b078..f0acd5b 100644
--- a/src/engine/worldio.cc
+++ b/src/engine/worldio.cc
@@ -9,6 +9,7 @@
 #include <sauerlib/encoding.hh>
 
 #include <shared/command.hh>
+#include <shared/gzstream.hh>
 #include <shared/igame.hh>
 
 #include "blend.hh"
diff --git a/src/game/game.cc b/src/game/game.cc
index ed12e3c..acd6ded 100644
--- a/src/game/game.cc
+++ b/src/game/game.cc
@@ -1,3 +1,5 @@
+#include <sauerlib/stream.hh>
+
 #include <shared/command.hh>
 
 #include <engine/main.hh>
diff --git a/src/sauerlib/stream.cc b/src/sauerlib/stream.cc
index aa42c35..b1c6b06 100644
--- a/src/sauerlib/stream.cc
+++ b/src/sauerlib/stream.cc
@@ -1,7 +1,10 @@
-#include "tools.hh"
+#include "stream.hh"
 
 #include "encoding.hh"
 
+// FIXME
+#include <shared/zip.hh>
+
 stream::offset stream::size()
 {
     offset pos = tell(), endpos;
@@ -310,10 +313,8 @@ stream *openrawfile(const char *filename, const char *mode)
 
 stream *openfile(const char *filename, const char *mode)
 {
-#ifndef STANDALONE
     stream *s = openzipfile(filename, mode);
     if(s) return s;
-#endif
     return openrawfile(filename, mode);
 }
 
diff --git a/src/sauerlib/stream.hh b/src/sauerlib/stream.hh
new file mode 100644
index 0000000..f816b22
--- /dev/null
+++ b/src/sauerlib/stream.hh
@@ -0,0 +1,76 @@
+#ifndef SAUERLIB_STREAM_HH
+#define SAUERLIB_STREAM_HH
+
+#include "tools.hh"
+
+/* workaround for some C platforms that have these two functions as macros - not used anywhere */
+#ifdef getchar
+#undef getchar
+#endif
+#ifdef putchar
+#undef putchar
+#endif
+
+struct stream
+{
+#ifdef WIN32
+#if defined(__GNUC__) && !defined(__MINGW32__)
+    typedef off64_t offset;
+#else
+    typedef __int64 offset;
+#endif
+#else
+    typedef off_t offset;
+#endif
+
+    virtual ~stream() {}
+    virtual void close() = 0;
+    virtual bool end() = 0;
+    virtual offset tell() { return -1; }
+    virtual offset rawtell() { return tell(); }
+    virtual bool seek(offset pos, int whence = SEEK_SET) { return false; }
+    virtual offset size();
+    virtual offset rawsize() { return size(); }
+    virtual size_t read(void *buf, size_t len) { return 0; }
+    virtual size_t write(const void *buf, size_t len) { return 0; }
+    virtual bool flush() { return true; }
+    virtual int getchar() { uchar c; return read(&c, 1) == 1 ? c : -1; }
+    virtual bool putchar(int n) { uchar c = n; return write(&c, 1) == 1; }
+    virtual bool getline(char *str, size_t len);
+    virtual bool putstring(const char *str) { size_t len = strlen(str); return write(str, len) == len; }
+    virtual bool putline(const char *str) { return putstring(str) && putchar('\n'); }
+    virtual size_t printf(const char *fmt, ...) PRINTFARGS(2, 3);
+    virtual uint getcrc() { return 0; }
+
+    template<class T> size_t put(const T *v, size_t n) { return write(v, n*sizeof(T))/sizeof(T); }
+    template<class T> bool put(T n) { return write(&n, sizeof(n)) == sizeof(n); }
+    template<class T> bool putlil(T n) { return put<T>(lilswap(n)); }
+    template<class T> bool putbig(T n) { return put<T>(bigswap(n)); }
+
+    template<class T> size_t get(T *v, size_t n) { return read(v, n*sizeof(T))/sizeof(T); }
+    template<class T> T get() { T n; return read(&n, sizeof(n)) == sizeof(n) ? n : 0; }
+    template<class T> T getlil() { return lilswap(get<T>()); }
+    template<class T> T getbig() { return bigswap(get<T>()); }
+};
+
+template<class T>
+struct streambuf
+{
+    stream *s;
+
+    streambuf(stream *s) : s(s) {}
+
+    T get() { return s->get<T>(); }
+    size_t get(T *vals, size_t numvals) { return s->get(vals, numvals); }
+    void put(const T &val) { s->put(&val, 1); }
+    void put(const T *vals, size_t numvals) { s->put(vals, numvals); }
+    size_t length() { return s->size(); }
+};
+
+stream *openrawfile(const char *filename, const char *mode);
+stream *openfile(const char *filename, const char *mode);
+stream *opentempfile(const char *filename, const char *mode);
+stream *openutf8file(const char *filename, const char *mode, stream *file = nullptr);
+char *loadfile(const char *fn, size_t *size, bool utf8 = true);
+
+#endif
diff --git a/src/sauerlib/tools.hh b/src/sauerlib/tools.hh
index 4b24ab2..e8ca511 100644
--- a/src/sauerlib/tools.hh
+++ b/src/sauerlib/tools.hh
@@ -1090,70 +1090,6 @@ template<class T> inline T bigswap(T n) { return islittleendian() ? endianswap(n
 template<class T> inline void bigswap(T *buf, size_t len) { if(islittleendian()) endianswap(buf, len); }
 #endif
 
-/* workaround for some C platforms that have these two functions as macros - not used anywhere */
-#ifdef getchar
-#undef getchar
-#endif
-#ifdef putchar
-#undef putchar
-#endif
-
-struct stream
-{
-#ifdef WIN32
-#if defined(__GNUC__) && !defined(__MINGW32__)
-    typedef off64_t offset;
-#else
-    typedef __int64 offset;
-#endif
-#else
-    typedef off_t offset;
-#endif
-
-    virtual ~stream() {}
-    virtual void close() = 0;
-    virtual bool end() = 0;
-    virtual offset tell() { return -1; }
-    virtual offset rawtell() { return tell(); }
-    virtual bool seek(offset pos, int whence = SEEK_SET) { return false; }
-    virtual offset size();
-    virtual offset rawsize() { return size(); }
-    virtual size_t read(void *buf, size_t len) { return 0; }
-    virtual size_t write(const void *buf, size_t len) { return 0; }
-    virtual bool flush() { return true; }
-    virtual int getchar() { uchar c; return read(&c, 1) == 1 ? c : -1; }
-    virtual bool putchar(int n) { uchar c = n; return write(&c, 1) == 1; }
-    virtual bool getline(char *str, size_t len);
-    virtual bool putstring(const char *str) { size_t len = strlen(str); return write(str, len) == len; }
-    virtual bool putline(const char *str) { return putstring(str) && putchar('\n'); }
-    virtual size_t printf(const char *fmt, ...) PRINTFARGS(2, 3);
-    virtual uint getcrc() { return 0; }
-
-    template<class T> size_t put(const T *v, size_t n) { return write(v, n*sizeof(T))/sizeof(T); }
-    template<class T> bool put(T n) { return write(&n, sizeof(n)) == sizeof(n); }
-    template<class T> bool putlil(T n) { return put<T>(lilswap(n)); }
-    template<class T> bool putbig(T n) { return put<T>(bigswap(n)); }
-
-    template<class T> size_t get(T *v, size_t n) { return read(v, n*sizeof(T))/sizeof(T); }
-    template<class T> T get() { T n; return read(&n, sizeof(n)) == sizeof(n) ? n : 0; }
-    template<class T> T getlil() { return lilswap(get<T>()); }
-    template<class T> T getbig() { return bigswap(get<T>()); }
-};
-
-template<class T>
-struct streambuf
-{
-    stream *s;
-
-    streambuf(stream *s) : s(s) {}
-
-    T get() { return s->get<T>(); }
-    size_t get(T *vals, size_t numvals) { return s->get(vals, numvals); }
-    void put(const T &val) { s->put(&val, 1); }
-    void put(const T *vals, size_t numvals) { s->put(vals, numvals); }
-    size_t length() { return s->size(); }
-};
-
 extern string homedir;
 
 extern char *makerelpath(const char *dir, const char *file, const char *prefix = nullptr, const char *cmd = nullptr);
@@ -1166,17 +1102,8 @@ extern size_t fixpackagedir(char *dir);
 extern const char *sethomedir(const char *dir);
 extern const char *addpackagedir(const char *dir);
 extern const char *findfile(const char *filename, const char *mode);
-extern bool findzipfile(const char *filename);
-extern stream *openrawfile(const char *filename, const char *mode);
-extern stream *openzipfile(const char *filename, const char *mode);
-extern stream *openfile(const char *filename, const char *mode);
-extern stream *opentempfile(const char *filename, const char *mode);
-extern stream *opengzfile(const char *filename, const char *mode, stream *file = nullptr);
-extern stream *openutf8file(const char *filename, const char *mode, stream *file = nullptr);
-extern char *loadfile(const char *fn, size_t *size, bool utf8 = true);
 extern bool listdir(const char *dir, bool rel, const char *ext, vector<char *> &files);
 extern int listfiles(const char *dir, const char *ext, vector<char *> &files);
-extern int listzipfiles(const char *dir, const char *ext, vector<char *> &files);
 extern void seedMT(uint seed);
 extern uint randomMT();
 
diff --git a/src/shared/gzstream.hh b/src/shared/gzstream.hh
new file mode 100644
index 0000000..e078da4
--- /dev/null
+++ b/src/shared/gzstream.hh
@@ -0,0 +1,8 @@
+#ifndef SHARED_GZSTREAM_HH
+#define SHARED_GZSTREAM_HH
+
+#include <sauerlib/stream.hh>
+
+stream *opengzfile(const char *filename, const char *mode, stream *file = nullptr);
+
+#endif
diff --git a/src/shared/igame.hh b/src/shared/igame.hh
index 8ce8bbd..d3149ba 100644
--- a/src/shared/igame.hh
+++ b/src/shared/igame.hh
@@ -7,6 +7,8 @@ struct dynent;
 struct selinfo;
 struct VSlot;
 
+#include <sauerlib/stream.hh>
+
 #include "tools.hh"
 #include "geom.hh"
 
diff --git a/src/shared/stream.cc b/src/shared/stream.cc
index f70f3b6..3a177fb 100644
--- a/src/shared/stream.cc
+++ b/src/shared/stream.cc
@@ -1,7 +1,6 @@
 #include <new>
 
-#include <sauerlib/encoding.hh>
-
+#include "zip.hh"
 #include "tools.hh"
 
 ///////////////////////// file system ///////////////////////
diff --git a/src/shared/zip.hh b/src/shared/zip.hh
new file mode 100644
index 0000000..4b76cc7
--- /dev/null
+++ b/src/shared/zip.hh
@@ -0,0 +1,11 @@
+#ifndef SHARED_ZIP_HH
+#define SHARED_ZIP_HH
+
+#include <sauerlib/stream.hh>
+#include <sauerlib/tools.hh>
+
+bool findzipfile(const char *filename);
+stream *openzipfile(const char *filename, const char *mode);
+int listzipfiles(const char *dir, const char *ext, vector<char *> &files);
+
+#endif