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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/R_zmq_utility.r
\name{Utility Functions}
\alias{Utility Functions}
\alias{zmq.strerror}
\alias{zmq.version}
\title{Utility Functions}
\usage{
zmq.strerror(errno)
zmq.version()
}
\arguments{
\item{errno}{an integer for the error number}
}
\value{
\code{zmq.strerror()} returns an R string containing ZeroMQ error
message.
}
\description{
Utility functions
}
\details{
\code{zmq.strerror()} gets ZeroMQ error message string.
\code{zmq.version()} print current ZeroMQ version.
}
\examples{
\dontrun{
library(pbdZMQ, quietly = TRUE)
context <- zmq.ctx.new()
zmq.ctx.destroy(context)
zmq.strerror(0)
zmq.ctx.destroy(context) # Error since context is free.
zmq.strerror(14)
}
}
\references{
ZeroMQ/4.1.0 API Reference:
\url{https://libzmq.readthedocs.io/en/zeromq4-1/}
Programming with Big Data in R Website: \url{https://pbdr.org/}
}
\seealso{
\code{\link{zmq.ctx.new}()}, \code{\link{zmq.ctx.destroy}()},
\code{\link{zmq.socket}()}, \code{\link{zmq.close}()}.
}
\author{
Wei-Chen Chen \email{wccsnow@gmail.com}.
}
\keyword{internal}
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