This documentation is for version v1.3.0 of NNG, but the latest released version is v1.7.2. see the documentation for v1.7.2 for the most up-to-date information.

SYNOPSIS

#include <nng/nng.h>

int nng_msg_alloc(nng_msg **msgp, size_t size);

DESCRIPTION

The nng_msg_alloc() function allocates a new message with body length size and stores the result in msgp. Messages allocated with this function contain a body and optionally a header. They are used with receive and transmit functions.

RETURN VALUES

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

ERRORS

NNG_ENOMEM

Insufficient free memory exists to allocate a message.