diff -up chromium-96.0.4664.45/third_party/webrtc/audio/utility/channel_mixer.cc.missing-cstring chromium-96.0.4664.45/third_party/webrtc/audio/utility/channel_mixer.cc
--- chromium-96.0.4664.45/third_party/webrtc/audio/utility/channel_mixer.cc.missing-cstring	2021-11-12 05:28:09.000000000 -0500
+++ chromium-96.0.4664.45/third_party/webrtc/audio/utility/channel_mixer.cc	2021-11-19 17:10:02.927438695 -0500
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include <cstring>
+
 #include "audio/utility/channel_mixer.h"
 
 #include "audio/utility/channel_mixing_matrix.h"
diff -up chromium-96.0.4664.45/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc.missing-cstring chromium-96.0.4664.45/third_party/webrtc/modules/desktop_capture/linux/base_capturer_pipewire.cc
diff -up chromium-96.0.4664.45/third_party/webrtc/modules/video_coding/utility/ivf_file_reader.cc.missing-cstring chromium-96.0.4664.45/third_party/webrtc/modules/video_coding/utility/ivf_file_reader.cc
--- chromium-96.0.4664.45/third_party/webrtc/modules/video_coding/utility/ivf_file_reader.cc.missing-cstring	2021-11-12 05:28:10.000000000 -0500
+++ chromium-96.0.4664.45/third_party/webrtc/modules/video_coding/utility/ivf_file_reader.cc	2021-11-19 17:10:02.928438701 -0500
@@ -10,6 +10,7 @@
 
 #include "modules/video_coding/utility/ivf_file_reader.h"
 
+#include <cstring>
 #include <string>
 #include <vector>