.\" ************************************************************************** .\" * _ _ ____ _ .\" * 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 curl_multi_init 3 "December 04, 2023" "libcurl 8.5.0" "libcurl" .SH NAME curl_multi_init - create a multi handle .SH SYNOPSIS .nf #include CURLM *curl_multi_init(); .fi .SH DESCRIPTION This function returns a pointer to a \fICURLM\fP handle to be used as input to all the other multi-functions, sometimes referred to as a multi handle in some places in the documentation. This init call MUST have a corresponding call to \fIcurl_multi_cleanup(3)\fP when the operation is complete. .SH EXAMPLE .nf int main(void) { /* init a multi stack */ CURLM *multi = curl_multi_init(); CURL *curl = curl_easy_init(); CURL *curl2 = curl_easy_init(); /* add individual transfers */ curl_multi_add_handle(multi, curl); curl_multi_add_handle(multi, curl2); } .fi .SH AVAILABILITY Added in 7.9.6 .SH RETURN VALUE If this function returns NULL, something went wrong and you cannot use the other curl functions. .SH "SEE ALSO" .BR curl_multi_cleanup (3), .BR curl_multi_add_handle (3), .BR curl_multi_get_handles (3), .BR curl_global_init (3), .BR curl_easy_init (3)