This documentation is for the TIP (development tree) of NNG and may represent unreleased changes or functionality that is experimental, and is subject to change before release. The latest released version is v1.8.0. See the documentation for v1.8.0 for the most up-to-date information.

nng_sub_open(3)

NAME

nng_sub_open - create sub socket

SYNOPSIS

#include <nng/nng.h>
#include <nng/protocol/pubsub0/sub.h>

int nng_sub0_open(nng_socket *s);

int nng_sub0_open_raw(nng_socket *s);

DESCRIPTION

The nng_sub0_open() function creates a sub version 0 socket and returns it at the location pointed to by s.

The nng_sub0_open_raw() function creates a sub version 0 socket in raw mode and returns it at the location pointed to by s.

RETURN VALUES

These functions return 0 on success, and non-zero otherwise.

ERRORS

`NNG_ENOMEM`	Insufficient memory is available.
`NNG_ENOTSUP`	The protocol is not supported.