diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index c115c310a35..6c44ee95cb2 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -194,6 +194,12 @@
     githubId = 124545;
     name = "Anthony Cowley";
   };
+  adamlwgriffiths = {
+    email = "adam.lw.griffiths@gmail.com";
+    github = "adamlwgriffiths";
+    githubId = 1239156;
+    name = "Adam Griffiths";
+  };
   adamt = {
     email = "mail@adamtulinius.dk";
     github = "adamtulinius";
diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index 16541eaaa21..7f2ee5a288a 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -26,11 +26,11 @@
 
 mkDerivation rec {
   pname = "calibre";
-  version = "5.11.0";
+  version = "5.12.0";
 
   src = fetchurl {
     url = "https://download.calibre-ebook.com/${version}/${pname}-${version}.tar.xz";
-    sha256 = "sha256-PI+KIMnslhoagv9U6Mcmo9Onfu8clVqASNlDir8JzUw=";
+    sha256 = "sha256-N3/y1kSWyM36LpwbimftJ67h4zfk2j9hcvUi/pQL3YU=";
   };
 
   patches = [
diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index fb340ee1ace..7518e399382 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -23,7 +23,7 @@
 , ffmpegSupport ? true
 , gtk3Support ? true, gtk2, gtk3, wrapGAppsHook
 , waylandSupport ? true, libxkbcommon
-, ltoSupport ? stdenv.isLinux, overrideCC, buildPackages
+, ltoSupport ? (stdenv.isLinux && stdenv.is64bit), overrideCC, buildPackages
 , gssSupport ? true, kerberos
 , pipewireSupport ? waylandSupport && webrtcSupport, pipewire
 
@@ -111,6 +111,13 @@ let
                 else stdenv;
 
   nss_pkg = if lib.versionOlder ffversion "83" then nss_3_53 else nss;
+
+  # --enable-release adds -ffunction-sections & LTO that require a big amount of
+  # RAM and the 32-bit memory space cannot handle that linking
+  # We also disable adding "-g" for easier linking
+  releaseFlags = if stdenv.is32bit
+                 then [ "--disable-release" "--disable-debug-symbols" ]
+                 else [ "--enable-release" ];
 in
 
 buildStdenv.mkDerivation ({
@@ -296,9 +303,9 @@ buildStdenv.mkDerivation ({
   ++ lib.optional drmSupport "--enable-eme=widevine"
 
   ++ (if debugBuild then [ "--enable-debug" "--enable-profiling" ]
-                    else [ "--disable-debug" "--enable-release"
+                    else ([ "--disable-debug"
                            "--enable-optimize"
-                           "--enable-strip" ])
+                           "--enable-strip" ] ++ releaseFlags))
   ++ lib.optional enableOfficialBranding "--enable-official-branding"
   ++ extraConfigureFlags;
 
diff --git a/pkgs/applications/science/math/giac/default.nix b/pkgs/applications/science/math/giac/default.nix
index 8c391e25322..f89fe3e1db3 100644
--- a/pkgs/applications/science/math/giac/default.nix
+++ b/pkgs/applications/science/math/giac/default.nix
@@ -1,10 +1,9 @@
 { stdenv, lib, fetchurl, fetchpatch, texlive, bison, flex, lapack, blas
 , gmp, mpfr, pari, ntl, gsl, mpfi, ecm, glpk, nauty
 , readline, gettext, libpng, libao, gfortran, perl
-, enableGUI ? false, libGL ? null, libGLU ? null, xorg ? null, fltk ? null
+, enableGUI ? false, libGL, libGLU, xorg, fltk
 }:
 
-assert enableGUI -> libGLU != null && libGL != null && xorg != null && fltk != null;
 assert (!blas.isILP64) && (!lapack.isILP64);
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/applications/science/math/palp/default.nix b/pkgs/applications/science/math/palp/default.nix
index 97b5f88e55b..2866b4b9469 100644
--- a/pkgs/applications/science/math/palp/default.nix
+++ b/pkgs/applications/science/math/palp/default.nix
@@ -1,4 +1,5 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchurl
 , dimensions ? 6 # works for <= dimensions dimensions, but is only optimized for that exact value
 , doSymlink ? true # symlink the executables to the default location (without dimension postfix)
@@ -25,8 +26,8 @@ stdenv.mkDerivation rec {
   '';
 
   preBuild = ''
-      echo Building PALP optimized for ${dim} dimensions
-      sed -i "s/^#define[^a-zA-Z]*POLY_Dmax.*/#define POLY_Dmax ${dim}/" Global.h
+    echo Building PALP optimized for ${dim} dimensions
+    sed -i "s/^#define[^a-zA-Z]*POLY_Dmax.*/#define POLY_Dmax ${dim}/" Global.h
   '';
 
   # palp has no tests of its own. This test is an adapted sage test that failed
@@ -42,14 +43,14 @@ stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    mkdir -p "$out/bin"
+    mkdir -p $out/bin
     for file in poly class cws nef mori; do
-        cp -p $file.x "$out/bin/$file-${dim}d.x"
+      cp -p $file.x "$out/bin/$file-${dim}d.x"
     done
   '' + lib.optionalString doSymlink ''
-    cd "$out/bin"
+    cd $out/bin
     for file in poly class cws nef mori; do
-        ln -sf $file-6d.x $file.x
+      ln -sf $file-6d.x $file.x
     done
   '';
 
diff --git a/pkgs/development/compilers/zz/default.nix b/pkgs/development/compilers/zz/default.nix
index 7dfa462e225..81c6e546e95 100644
--- a/pkgs/development/compilers/zz/default.nix
+++ b/pkgs/development/compilers/zz/default.nix
@@ -31,7 +31,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with lib; {
-    description = "🍺🐙 ZetZ a zymbolic verifier and tranzpiler to bare metal C";
+    description = "ZetZ a zymbolic verifier and tranzpiler to bare metal C";
     homepage = "https://github.com/zetzit/zz";
     license = licenses.mit;
     maintainers = [ maintainers.marsam ];
diff --git a/pkgs/development/libraries/arb/default.nix b/pkgs/development/libraries/arb/default.nix
index 1c356b59d8a..527545e683f 100644
--- a/pkgs/development/libraries/arb/default.nix
+++ b/pkgs/development/libraries/arb/default.nix
@@ -1,26 +1,32 @@
-{lib, stdenv, fetchFromGitHub, mpir, gmp, mpfr, flint}:
+{ lib, stdenv, fetchFromGitHub, mpir, gmp, mpfr, flint }:
+
 stdenv.mkDerivation rec {
   pname = "arb";
   version = "2.17.0";
+
   src = fetchFromGitHub {
     owner = "fredrik-johansson";
     repo = pname;
     rev = version;
     sha256 = "05lpy3hkl5f8ik19aw40cqydrb932xaf2n8hbq9ib5dnk7f010p1";
   };
-  buildInputs = [mpir gmp mpfr flint];
+
+  buildInputs = [ mpir gmp mpfr flint ];
+
   configureFlags = [
     "--with-gmp=${gmp}"
     "--with-mpir=${mpir}"
     "--with-mpfr=${mpfr}"
     "--with-flint=${flint}"
   ];
+
   doCheck = true;
+
   meta = with lib; {
     description = "A library for arbitrary-precision interval arithmetic";
     homepage = "https://arblib.org/";
-    license = lib.licenses.lgpl21Plus;
+    license = licenses.lgpl21Plus;
     maintainers = teams.sage.members;
-    platforms = lib.platforms.unix;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/libspectrum/default.nix b/pkgs/development/libraries/libspectrum/default.nix
index 8922bedccdc..011531b1a23 100644
--- a/pkgs/development/libraries/libspectrum/default.nix
+++ b/pkgs/development/libraries/libspectrum/default.nix
@@ -1,11 +1,11 @@
 { lib, stdenv, fetchurl, perl, pkg-config, audiofile, bzip2, glib, libgcrypt, zlib }:
 
 stdenv.mkDerivation rec {
-  name = "libspectrum-1.4.4";
+  name = "libspectrum-1.5.0";
 
   src = fetchurl {
     url = "mirror://sourceforge/fuse-emulator/${name}.tar.gz";
-    sha256 = "1cc0jx617sym6qj1f9fm115q44cq5azsxplqq2cgrg0pmlmjpyzx";
+    sha256 = "sha256-o1PLRumxooEGHYFjU+oBDQpv545qF6oLe3QnHKXkrPw=";
   };
 
   nativeBuildInputs = [ perl pkg-config ];
diff --git a/pkgs/development/libraries/raylib/default.nix b/pkgs/development/libraries/raylib/default.nix
new file mode 100644
index 00000000000..47d8fdb040b
--- /dev/null
+++ b/pkgs/development/libraries/raylib/default.nix
@@ -0,0 +1,54 @@
+{ stdenv, lib, fetchFromGitHub, fetchpatch, cmake,
+  mesa, libGLU, glfw,
+  libX11, libXi, libXcursor, libXrandr, libXinerama,
+  alsaSupport ? stdenv.hostPlatform.isLinux, alsaLib,
+  pulseSupport ? stdenv.hostPlatform.isLinux, libpulseaudio,
+  includeEverything ? true
+}:
+
+stdenv.mkDerivation rec {
+  pname = "raylib";
+  version = "3.5.0";
+
+  src = fetchFromGitHub {
+    owner = "raysan5";
+    repo = pname;
+    rev = version;
+    sha256 = "0syvd5js1lbx3g4cddwwncqg95l6hb3fdz5nsh5pqy7fr6v84kwj";
+  };
+
+  patches = [
+    # fixes examples not compiling in 3.5.0
+    (fetchpatch {
+      url = "https://patch-diff.githubusercontent.com/raw/raysan5/raylib/pull/1470.patch";
+      sha256 = "1ff5l839wl8dxwrs2bwky7kqa8kk9qmsflg31sk5vbil68dzbzg0";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [
+    mesa libGLU glfw libX11 libXi libXcursor libXrandr libXinerama
+  ] ++ lib.optional alsaSupport alsaLib
+    ++ lib.optional pulseSupport libpulseaudio;
+
+  # https://github.com/raysan5/raylib/wiki/CMake-Build-Options
+  cmakeFlags = [
+    "-DUSE_EXTERNAL_GLFW=ON"
+    "-DSHARED=ON"
+    "-DBUILD_EXAMPLES=OFF"
+  ] ++ lib.optional includeEverything "-DINCLUDE_EVERYTHING=ON";
+
+  # fix libasound.so/libpulse.so not being found
+  preFixup = ''
+    ${lib.optionalString alsaSupport "patchelf --add-needed ${alsaLib}/lib/libasound.so $out/lib/libraylib.so.${version}"}
+    ${lib.optionalString pulseSupport "patchelf --add-needed ${libpulseaudio}/lib/libpulse.so $out/lib/libraylib.so.${version}"}
+  '';
+
+  meta = with lib; {
+    description = "A simple and easy-to-use library to enjoy videogames programming";
+    homepage = "http://www.raylib.com/";
+    license = licenses.zlib;
+    maintainers = with maintainers; [ adamlwgriffiths ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/development/python-modules/agate-sql/default.nix b/pkgs/development/python-modules/agate-sql/default.nix
index 29bbfa81ed2..fb080bcc11b 100644
--- a/pkgs/development/python-modules/agate-sql/default.nix
+++ b/pkgs/development/python-modules/agate-sql/default.nix
@@ -1,20 +1,24 @@
 { lib, fetchPypi, buildPythonPackage, agate, sqlalchemy, crate }:
 
 buildPythonPackage rec {
-    pname = "agate-sql";
-    version = "0.5.5";
+  pname = "agate-sql";
+  version = "0.5.5";
 
-    src = fetchPypi {
-      inherit pname version;
-      sha256 = "50a39754babef6cd0d1b1e75763324a49593394fe46ab1ea9546791b5e6b69a7";
-    };
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "50a39754babef6cd0d1b1e75763324a49593394fe46ab1ea9546791b5e6b69a7";
+  };
 
-    propagatedBuildInputs = [ agate sqlalchemy crate ];
+  propagatedBuildInputs = [ agate sqlalchemy crate ];
 
-    meta = with lib; {
-      description = "Adds SQL read/write support to agate.";
-      homepage    = "https://github.com/wireservice/agate-sql";
-      license     = with licenses; [ mit ];
-      maintainers = with maintainers; [ vrthra ];
-    };
+  pythonImportsCheck = [ "agatesql" ];
+
+  meta = with lib; {
+    description = "Adds SQL read/write support to agate.";
+    homepage = "https://github.com/wireservice/agate-sql";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ vrthra ];
+    # FAIL: test_to_sql_create_statement_with_schema (tests.test_agatesql.TestSQL)
+    broken = true;
+  };
 }
diff --git a/pkgs/development/python-modules/dopy/default.nix b/pkgs/development/python-modules/dopy/default.nix
index 538a861c9f4..9bd32d1ba4a 100644
--- a/pkgs/development/python-modules/dopy/default.nix
+++ b/pkgs/development/python-modules/dopy/default.nix
@@ -5,18 +5,22 @@
 }:
 
 buildPythonPackage {
-  version = "2016-01-04";
   pname = "dopy";
+  version = "2016-01-04";
 
   src = pkgs.fetchFromGitHub {
     owner = "Wiredcraft";
     repo = "dopy";
     rev = "cb443214166a4e91b17c925f40009ac883336dc3";
-    sha256 ="0ams289qcgna96aak96jbz6wybs6qb95h2gn8lb4lmx2p5sq4q56";
+    sha256 = "0ams289qcgna96aak96jbz6wybs6qb95h2gn8lb4lmx2p5sq4q56";
   };
 
   propagatedBuildInputs = [ requests six ];
 
+  # contains no tests
+  doCheck = false;
+  pythonImportsCheck = [ "dopy" ];
+
   meta = with pkgs.lib; {
     description = "Digital Ocean API python wrapper";
     homepage = "https://github.com/Wiredcraft/dopy";
diff --git a/pkgs/development/python-modules/managesieve/default.nix b/pkgs/development/python-modules/managesieve/default.nix
index e23c3621c2e..8559339b012 100644
--- a/pkgs/development/python-modules/managesieve/default.nix
+++ b/pkgs/development/python-modules/managesieve/default.nix
@@ -1,26 +1,25 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, pytestrunner
-, pytest
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "managesieve";
-  version = "0.6";
+  version = "0.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ee70e298e9b68eb81f93d52a1320a034fdc182f3927fdd551836fc93b0ed2c5f";
+    sha256 = "1dx0j8hhjwip1ackaj2m4hqrrx2iiv846ic4wa6ymrawwb8iq8m6";
   };
 
-  checkInputs = [ pytestrunner pytest ];
+  checkInputs = [ pytestCheckHook ];
 
   meta = with lib; {
     description = "ManageSieve client library for remotely managing Sieve scripts";
-    homepage    = "https://managesieve.readthedocs.io/";
-    # PSFL for the python module, GPLv3 for sieveshell
-    license     = with licenses; [ gpl3 psfl ];
+    homepage = "https://managesieve.readthedocs.io/";
+    # PSFL for the python module, GPLv3 only for sieveshell
+    license = with licenses; [ gpl3Only psfl ];
     maintainers = with maintainers; [ dadada ];
   };
 }
diff --git a/pkgs/games/frotz/default.nix b/pkgs/games/frotz/default.nix
index 58339e5d26f..2e90176be7e 100644
--- a/pkgs/games/frotz/default.nix
+++ b/pkgs/games/frotz/default.nix
@@ -8,7 +8,7 @@
 , lib, stdenv }:
 
 stdenv.mkDerivation rec {
-  version = "2.52";
+  version = "2.53";
   pname = "frotz";
 
   src = fetchFromGitLab {
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     owner = "DavidGriffith";
     repo = "frotz";
     rev = version;
-    sha256 = "11ca1dz31b7s5vxjqncwjwmbbcr2m5v2rxjn49g4gnvwd6mqw48y";
+    sha256 = "sha256-xVC/iE71W/Wdy5aPGH9DtcVAHWCcg3HkEA3iDV6OYUo=";
   };
 
   buildInputs = [ libao libmodplug libsamplerate libsndfile libvorbis ncurses ];
diff --git a/pkgs/servers/nats-streaming-server/default.nix b/pkgs/servers/nats-streaming-server/default.nix
index 5726786e5b4..40a304bafba 100644
--- a/pkgs/servers/nats-streaming-server/default.nix
+++ b/pkgs/servers/nats-streaming-server/default.nix
@@ -4,14 +4,14 @@ with lib;
 
 buildGoPackage rec {
   pname   = "nats-streaming-server";
-  version = "0.20.0";
+  version = "0.21.0";
   goPackagePath = "github.com/nats-io/${pname}";
 
   src = fetchFromGitHub {
     rev    = "v${version}";
     owner  = "nats-io";
     repo   = pname;
-    sha256 = "sha256-vhUj3CVBM5jbwEtnzdgQD3eLguiHQguK01O69JZIUUk=";
+    sha256 = "sha256-vZFX5YDf722c7xc4oh4SoL91s7XuZsXzFxW+i//mOUw=";
   };
 
   meta = {
diff --git a/pkgs/servers/xmpp/biboumi/default.nix b/pkgs/servers/xmpp/biboumi/default.nix
index 74d8d9ae520..50d2cfa964e 100644
--- a/pkgs/servers/xmpp/biboumi/default.nix
+++ b/pkgs/servers/xmpp/biboumi/default.nix
@@ -1,6 +1,13 @@
-{ lib, stdenv, fetchurl, fetchgit, cmake, libuuid, expat, sqlite, libidn,
-  libiconv, botan2, systemd, pkg-config, udns, coreutils, python3Packages } :
+{ lib, stdenv, fetchurl, fetchgit, cmake, libuuid, expat, sqlite, libidn
+, libiconv, botan2, systemd, pkg-config, udns, python3Packages } :
 
+let
+  louiz_catch = fetchgit {
+    url = "https://lab.louiz.org/louiz/Catch.git";
+    rev = "0a34cc201ef28bf25c88b0062f331369596cb7b7"; # v2.2.1
+    sha256 = "0ad0sjhmzx61a763d2ali4vkj8aa1sbknnldks7xlf4gy83jfrbl";
+  };
+in
 stdenv.mkDerivation rec {
   pname = "biboumi";
   version = "9.0";
@@ -10,22 +17,16 @@ stdenv.mkDerivation rec {
     sha256 = "1jvygri165aknmvlinx3jb8cclny6cxdykjf8dp0a3l3228rmzqy";
   };
 
-  louiz_catch = fetchgit {
-    url = "https://lab.louiz.org/louiz/Catch.git";
-    rev = "0a34cc201ef28bf25c88b0062f331369596cb7b7"; # v2.2.1
-    sha256 = "0ad0sjhmzx61a763d2ali4vkj8aa1sbknnldks7xlf4gy83jfrbl";
-  };
-
   patches = [ ./catch.patch ];
 
   nativeBuildInputs = [ cmake pkg-config python3Packages.sphinx ];
-  buildInputs = [ libuuid expat sqlite libiconv libidn botan2 systemd
-    udns ];
+  buildInputs = [ libuuid expat sqlite libiconv libidn botan2 systemd udns ];
+
   buildFlags = [ "all" "man" ];
 
   preConfigure = ''
     substituteInPlace CMakeLists.txt --replace /etc/biboumi $out/etc/biboumi
-    cp $louiz_catch/single_include/catch.hpp tests/
+    cp ${louiz_catch}/single_include/catch.hpp tests/
   '';
 
   doCheck = true;
diff --git a/pkgs/shells/liquidprompt/default.nix b/pkgs/shells/liquidprompt/default.nix
index a84e2e14677..5fa331b8540 100644
--- a/pkgs/shells/liquidprompt/default.nix
+++ b/pkgs/shells/liquidprompt/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "liquidprompt";
-  version = "2.0.0";
+  version = "2.0.2";
 
   src = fetchFromGitHub {
     owner = "nojhan";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-+qNH4Df0wCI3KE6LT3YWKpp7yzJcedmVlm/f1Myz108=";
+    sha256 = "sha256-FXBClOkGRUey/FnLw3g3uiHUJeNiB4tXqP4Na6CuwIM=";
   };
 
   installPhase = ''
diff --git a/pkgs/tools/text/csvkit/default.nix b/pkgs/tools/text/csvkit/default.nix
index 05e0cf119bf..1e1018ae56d 100644
--- a/pkgs/tools/text/csvkit/default.nix
+++ b/pkgs/tools/text/csvkit/default.nix
@@ -11,7 +11,7 @@ python3.pkgs.buildPythonApplication rec {
 
   patches = [
     # Fixes a failing dbf related test. Won't be needed on 1.0.6 or later.
-    (fetchpatch{
+    (fetchpatch {
       url = "https://github.com/wireservice/csvkit/commit/5f22e664121b13d9ff005a9206873a8f97431dca.patch";
       sha256 = "1kg00z65x7l6dnm5nfsr5krs8m7mv23hhb1inkaqf5m5fpkpnvv7";
     })
@@ -23,17 +23,22 @@ python3.pkgs.buildPythonApplication rec {
     agate-dbf
     agate-sql
     six
-    setuptools  # `csvsql` requires pkg_resources https://github.com/NixOS/nixpkgs/issues/93594
+    setuptools
   ];
 
   checkInputs = with python3.pkgs; [
-    nose pytestCheckHook
+    nose
+    pytestCheckHook
   ];
 
+  pythonImportsCheck = [ "csvkit" ];
+
   meta = with lib; {
     description = "A suite of command-line tools for converting to and working with CSV";
     maintainers = with maintainers; [ vrthra ];
     license = licenses.mit;
     homepage = "https://github.com/wireservice/csvkit";
+    # FAIL: test_to_sql_create_statement_with_schema (tests.test_agatesql.TestSQL)
+    broken = true;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3e6416b0c0a..c5823413ac6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16703,6 +16703,8 @@ in
 
   raul = callPackage ../development/libraries/audio/raul { };
 
+  raylib = callPackage ../development/libraries/raylib { };
+
   readline = readline6;
   readline6 = readline63;
 
diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index c2ed5395e35..96d3e9b423b 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -402,7 +402,7 @@ lib.makeScope pkgs.newScope (self: with self; {
         buildInputs = [ pcre' ] ++ lib.optionals (lib.versionAtLeast php.version "8.0") [
           valgrind.dev
         ];
-        patches = [] ++ lib.optionals (lib.versionOlder php.version "7.4") [
+        patches = lib.optionals (lib.versionOlder php.version "7.4") [
           (pkgs.writeText "zend_file_cache_config.patch" ''
             --- a/ext/opcache/zend_file_cache.c
             +++ b/ext/opcache/zend_file_cache.c