diff options
Diffstat (limited to 'docs/libcurl/opts/CURLOPT_SSL_ENABLE_NPN.md')
-rw-r--r-- | docs/libcurl/opts/CURLOPT_SSL_ENABLE_NPN.md | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/docs/libcurl/opts/CURLOPT_SSL_ENABLE_NPN.md b/docs/libcurl/opts/CURLOPT_SSL_ENABLE_NPN.md new file mode 100644 index 000000000..36221cabd --- /dev/null +++ b/docs/libcurl/opts/CURLOPT_SSL_ENABLE_NPN.md @@ -0,0 +1,62 @@ +--- +c: Copyright (C) Daniel Stenberg, <daniel.se>, et al. +SPDX-License-Identifier: curl +Title: CURLOPT_SSL_ENABLE_NPN +Section: 3 +Source: libcurl +See-also: + - CURLOPT_SSL_ENABLE_ALPN (3) + - CURLOPT_SSL_OPTIONS (3) +--- + +# NAME + +CURLOPT_SSL_ENABLE_NPN - use NPN + +# SYNOPSIS + +~~~c +#include <curl/curl.h> + +CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_ENABLE_NPN, long npn); +~~~ + +# DESCRIPTION + +Deprecated in 7.86.0. Setting this option has no function. + +Pass a long as parameter, 0 or 1 where 1 is for enable and 0 for disable. This +option enables/disables NPN in the SSL handshake (if the SSL backend libcurl +is built to use supports it), which can be used to negotiate http2. + +# DEFAULT + +1, enabled + +# PROTOCOLS + +HTTP + +# EXAMPLE + +~~~c +int main(void) +{ + CURL *curl = curl_easy_init(); + if(curl) { + CURLcode res; + curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); + curl_easy_setopt(curl, CURLOPT_SSL_ENABLE_NPN, 1L); + res = curl_easy_perform(curl); + curl_easy_cleanup(curl); + } +} +~~~ + +# AVAILABILITY + +Added in 7.36.0. Deprecated in 7.86.0. + +# RETURN VALUE + +Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. |