Man pages matching name curlopt_ftp_use_eprt in section 3:

CURLOPT_FTP_USE_EPRT.3.en	debian 10 / libcurl4-doc
CURLOPT_FTP_USE_EPRT.3.en	debian 11 / libcurl4-doc
CURLOPT_FTP_USE_EPRT.3.en	debian 12 / libcurl4-doc