#include <nng/nng.h>
size_t nng_msg_capacity(nng_msg *msg);
nng_msg_capacity(3)
NAME
nng_msg_capacity - return message body length
SYNOPSIS
DESCRIPTION
The nng_msg_capacity()
returns the storage allocated for the body of message msg.
The capacity includes the current contents of the message and free space after it.
The message body may grow to capacity without performing any further allocations.
RETURN VALUES
Allocated capacity for message body.
ERRORS
None.