.\" generated by cd2nroff 0.1 from CURLMOPT_MAX_CONCURRENT_STREAMS.md
.TH CURLMOPT_MAX_CONCURRENT_STREAMS 3 "2024-11-18" libcurl
.SH NAME
CURLMOPT_MAX_CONCURRENT_STREAMS \- max concurrent streams for http2
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_CONCURRENT_STREAMS,
                            long max);
.fi
.SH DESCRIPTION
Pass a long indicating the \fBmax\fP. The set number is used as the maximum
number of concurrent streams libcurl should support on connections done using
HTTP/2 or HTTP/3.

Valid values range from 1 to 2147483647 (2^31 \- 1) and defaults to 100. The
value passed here would be honored based on other system resources properties.
.SH DEFAULT
100
.SH PROTOCOLS
This functionality affects http only
.SH EXAMPLE
.nf
int main(void)
{
  CURLM *m = curl_multi_init();
  /* max concurrent streams 200 */
  curl_multi_setopt(m, CURLMOPT_MAX_CONCURRENT_STREAMS, 200L);
}
.fi
.SH AVAILABILITY
Added in curl 7.67.0
.SH RETURN VALUE
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
.SH SEE ALSO
.BR CURLMOPT_MAXCONNECTS (3),
.BR CURLOPT_MAXCONNECTS (3)