find -name *.h,*.cpp

$ find . -name '*.h' -o -name '*.cpp'

$ find . ( -name '*.h' -o -name '*.cpp' )

find . ( -name "*.h" -o -name "*.cpp" ) -print

find . -name '*.h' -o -name '*.cc'`

find . ( -name '*.h' -o -name '*.cc' )`

find . ( -name '*.h' -o -name '*.cc' ) -exec egrep "#include" {} ; -print | egrep "^."

find . -name "*.h" -or -name "*.cpp"

find . -type f -iname "*.log" -o -iname "*.gz"
find . -type f ( -name "*.gz" -o -name "*.log" )
find . -type f -regex '.*(.gz|.log)'
find . -type f -regextype posix-extended -regex '.*.(log|gz)'