R: List curl version and options.

curl_options {curl} | R Documentation

## List curl version and options.

### Description

`curl_version()` shows the versions of libcurl, libssl and zlib and supported protocols. `curl_options()` lists all options available in the current version of libcurl. The dataset `curl_symbols` lists all symbols (including options) provides more information about the symbols, including when support was added/removed from libcurl.

### Usage

    curl_options(filter = "")

    curl_symbols(filter = "")

    curl_version()

### Arguments

`filter` | string: only return options with string in name

### Examples

    # Available options
    curl_options()

    # List proxy options
    curl_options("proxy")

    # Symbol table
    curl_symbols("proxy")
    # Curl/ssl version info
    curl_version()

[Package curl version 4.3.1 Index]