1--- 2c: Copyright (C) Daniel Stenberg, <daniel.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLOPT_FTP_USE_PRET 5Section: 3 6Source: libcurl 7See-also: 8 - CURLOPT_FTP_USE_EPRT (3) 9 - CURLOPT_FTP_USE_EPSV (3) 10--- 11 12# NAME 13 14CURLOPT_FTP_USE_PRET - use PRET for FTP 15 16# SYNOPSIS 17 18~~~c 19#include <curl/curl.h> 20 21CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_USE_PRET, long enable); 22~~~ 23 24# DESCRIPTION 25 26Pass a long. If the value is 1, it tells curl to send a PRET command before 27PASV (and EPSV). Certain FTP servers, mainly drftpd, require this non-standard 28command for directory listings as well as up and downloads in PASV mode. Has 29no effect when using the active FTP transfers mode. 30 31# DEFAULT 32 330 34 35# PROTOCOLS 36 37FTP 38 39# EXAMPLE 40 41~~~c 42int main(void) 43{ 44 CURL *curl = curl_easy_init(); 45 if(curl) { 46 CURLcode res; 47 curl_easy_setopt(curl, CURLOPT_URL, 48 "ftp://example.com/old-server/file.txt"); 49 50 /* a drftpd server, do it! */ 51 curl_easy_setopt(curl, CURLOPT_FTP_USE_PRET, 1L); 52 53 res = curl_easy_perform(curl); 54 55 curl_easy_cleanup(curl); 56 } 57} 58~~~ 59 60# AVAILABILITY 61 62Added in 7.20.0 63 64# RETURN VALUE 65 66Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 67