\name{cdrs}
\alias{cdrs}
\title{Try to get the \code{cdrs}; otherwise, return \code{nil}.}
\usage{
  cdrs(...)
}
\arguments{
  \item{...}{lists to \code{cdr}}
}
\value{
  the \code{cdr} of the lists
}
\description{
  Try to get the \code{cdrs}; otherwise, return \code{nil}.
}

