Man pages matching name curlinfo_content_length_download in section 3:
CURLINFO_CONTENT_LENGTH_DOWNLOAD.3.en | debian 10 / libcurl4-doc |
CURLINFO_CONTENT_LENGTH_DOWNLOAD.3.en | debian 11 / libcurl4-doc |
CURLINFO_CONTENT_LENGTH_DOWNLOAD.3.en | debian 12 / libcurl4-doc |