--- version: tip layout: manpage_v2 title: nng_sub_open(3) ---

nng_sub_open(3)

NAME

nng_sub_open - create sub socket

#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);

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.

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

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