.\" ************************************************************************** .\" * _ _ ____ _ .\" * Project ___| | | | _ \| | .\" * / __| | | | |_) | | .\" * | (__| |_| | _ <| |___ .\" * \___|\___/|_| \_\_____| .\" * .\" * Copyright (C) Daniel Stenberg, , et al. .\" * .\" * This software is licensed as described in the file COPYING, which .\" * you should have received as part of this distribution. The terms .\" * are also available at https://curl.se/docs/copyright.html. .\" * .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell .\" * copies of the Software, and permit persons to whom the Software is .\" * furnished to do so, under the terms of the COPYING file. .\" * .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY .\" * KIND, either express or implied. .\" * .\" * SPDX-License-Identifier: curl .\" * .\" ************************************************************************** .\" .TH CURLINFO_RETRY_AFTER 3 "December 04, 2023" "ibcurl 8.5.0" libcurl .SH NAME CURLINFO_RETRY_AFTER \- returns the Retry-After retry delay .SH SYNOPSIS .nf #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_RETRY_AFTER, curl_off_t *retry); .fi .SH DESCRIPTION Pass a pointer to a curl_off_t variable to receive the number of seconds the HTTP server suggests the client should wait until the next request is issued. The information from the "Retry-After:" header. While the HTTP header might contain a fixed date string, the \fICURLINFO_RETRY_AFTER(3)\fP always returns the number of seconds to wait - or zero if there was no header or the header could not be parsed. .SH DEFAULT Returns zero delay if there was no header. .SH PROTOCOLS HTTP(S) .SH EXAMPLE .nf int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); res = curl_easy_perform(curl); if(res == CURLE_OK) { curl_off_t wait = 0; curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &wait); if(wait) printf("Wait for %" CURL_FORMAT_CURL_OFF_T " seconds\\n", wait); } curl_easy_cleanup(curl); } } .fi .SH AVAILABILITY Added in 7.66.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH "SEE ALSO" .BR curl_easy_header (3), .BR CURLOPT_HEADERFUNCTION (3), .BR CURLOPT_STDERR (3)