diff --git a/.zsh/40_function.zsh b/.zsh/40_function.zsh
index fdd38f6..b472115 100755
--- a/.zsh/40_function.zsh
+++ b/.zsh/40_function.zsh
@@ -99,7 +99,7 @@ bbgrep () {
 }
 
 cgrep () {
-    find . -name .repo -prune -o -name .git -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' \) -print0 | xargs -0 grep --color -n "$@"
+    find . -name .repo -prune -o -name .git -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' -o -name "*.ino" \) -print0 | xargs -0 grep --color -n "$@"
 }
 
 hgrep () {
@@ -215,6 +215,10 @@ apush() {
     adb root && adb wait-for-device && adb remount && adb wait-for-device &&  adb push $1 $2
 }
 
+sudocker(){
+    DOCKER_EXEC_ARGS=${DOCKER_EXEC_ARGS:--u 0}
+    sdocker $@
+}
 
 sdocker (){
     DOCKER_SSH_AUTH=$HOME/docker_ssh_auth
@@ -247,7 +251,7 @@ sdocker (){
         fi
     else
         echo "Attach to $img"
-        docker exec -it $img /bin/bash
+        eval docker exec ${DOCKER_EXEC_ARGS} -it $img /bin/bash
     fi
 }