nng_http_req_alloc(3http)

NNG_HTTP_REQ_ALLOC(3http)

NNG Reference Manual

NNG_HTTP_REQ_ALLOC(3http)

NAME

nng_http_req_alloc - allocate HTTP request structure

SYNOPSIS

#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
int nng_http_req_alloc(nng_http_req **reqp, const nng_url *url);

DESCRIPTION

The nng_http_req_alloc() function allocates a new HTTP request structure and stores a pointer to it in reqp. The request will be initialized to perform an HTTP/1.1 GET operation using the URL specified in url.

Tip

It is possible to specify NULL for the URL.
In this case the URI for the request must be specified by a subsequent call to nng_http_req_set_uri().

RETURN VALUES

This function returns 0 on success, and non-zero otherwise.

ERRORS

NNG_ENOMEM

Insufficient free memory exists to allocate a message.

NNG_ENOTSUP

HTTP support not configured.

nng_http_conn_read_req(3http), nng_http_conn_write_req(3http), nng_http_req_add_header(3http), nng_http_req_copy_data(3http), nng_http_req_del_header(3http), nng_http_req_free(3http), nng_http_req_get_header(3http), nng_http_req_get_method(3http), nng_http_req_get_uri(3http), nng_http_req_get_version(3http), nng_http_req_reset(3http), nng_http_req_set_data(3http), nng_http_req_set_method(3http), nng_http_req_set_uri(3http), nng_http_req_set_version(3http), nng_http_res_alloc(3http), nng_url_parse(3) nng_strerror(3), nng(7)

2026-05-29