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nng_msg_alloc - allocate a message

NAME  SYNOPSIS  DESCRIPTION  RETURN VALUES  ERRORS  SEE ALSO 

NAME

nng_msg_alloc − allocate a message

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.

SEE ALSO

nng_msg_free(3), nng_msg_body(3), nng_msg_dup(3), nng_msg_header(3), nng_msg_header_len(3), nng_msg_len(3), nng_msg_capacity(3), nng_msg_reserve(3), nng_msg_realloc(3), nng_strerror(3), nng_msg(5), nng(7)


Updated 2026-06-01 - jenkler.se | uex.se