1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.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) 10Protocol: 11 - FTP 12--- 13 14# NAME 15 16CURLOPT_FTP_USE_PRET - use PRET for FTP 17 18# SYNOPSIS 19 20~~~c 21#include <curl/curl.h> 22 23CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_USE_PRET, long enable); 24~~~ 25 26# DESCRIPTION 27 28Pass a long. If the value is 1, it tells curl to send a PRET command before 29PASV (and EPSV). Certain FTP servers, mainly drftpd, require this non-standard 30command for directory listings as well as up and downloads in PASV mode. Has 31no effect when using the active FTP transfers mode. 32 33# DEFAULT 34 350 36 37# EXAMPLE 38 39~~~c 40int main(void) 41{ 42 CURL *curl = curl_easy_init(); 43 if(curl) { 44 CURLcode res; 45 curl_easy_setopt(curl, CURLOPT_URL, 46 "ftp://example.com/old-server/file.txt"); 47 48 /* a drftpd server, do it! */ 49 curl_easy_setopt(curl, CURLOPT_FTP_USE_PRET, 1L); 50 51 res = curl_easy_perform(curl); 52 53 curl_easy_cleanup(curl); 54 } 55} 56~~~ 57 58# AVAILABILITY 59 60Added in 7.20.0 61 62# RETURN VALUE 63 64Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 65