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= nng_http_handler_set_tree(3)
:doctype: manpage
:manmanual: nng
:mansource: nng
:manvolnum: 3
:copyright: Copyright 2018 mailto:info@staysail.tech[Staysail Systems, Inc.] + \
Copyright 2018 mailto:info@capitar.com[Capitar IT Group BV] + \
{blank} + \
This document is supplied under the terms of the \
https://opensource.org/licenses/MIT[MIT License].
== NAME
nng_http_handler_set_tree - set HTTP handler to match trees
== SYNOPSIS
[source, c]
-----------
#include <nng/nng.h>
int nng_http_handler_set_tree(nng_http_handler *handler);
-----------
== DESCRIPTION
The `nng_http_handler_set_tree()` function causes the _handler_ to be
matched if the Request URI sent by the client is a logical child of
the path for _handler_.
TIP: This method is useful when constructing API handlers where a single
service address (path) supports dynamically generated children.
== RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
== ERRORS
`NNG_ENOMEM`:: Insufficient free memory exists.
`NNG_ENOTSUP`:: No support for HTTP in the library.
== SEE ALSO
<<nng_http_handler_alloc#,nng_http_handler_alloc(3)>>,
<<nng_http_server_add_handler#,nng_http_server_add_handler(3)>>,
<<nng_http_req_get_method#,nng_http_req_get_method(3)>>,
<<nng#,nng(7)>>
== COPYRIGHT
{copyright}
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