-grep -i "$1" src/*
-grep -i "$1" src/lib/*
+#! /bin/bash
+dir1="src"
+dir2=$dir1"/lib"
+dir3=$dir2"/vgmsnd"
+. ./src/util/qhead.sh $0
+#echo ==== $dir1 ====
+grep "$1" "$dir1"/*.c
+grep "$1" "$dir1"/*.h
+#echo ==== $dir2 ====
+grep "$1" "$dir2"/*.c
+grep "$1" "$dir2"/*.h
+#echo ==== $dir3 ====
+grep "$1" "$dir3"/*.c
+grep "$1" "$dir3"/*.h
+. ./src/util/qfoot.sh $0