Pipe output to bash function

Question

I have as simple function in a bash script and I would like to pipe stdout to it as an input.

jc_hms(){
  printf \"$1\"
}

I\'d like to use

Answer 1

Or, you can also do it in a simple way.

jc_hms() {
    cat
}

Though all answers so far have disregarded the fact that this was not what OP wanted (he stated the function is simplified)