nng_msg_header
NAME
nng_msg_header — return message header
SYNOPSIS
#include <nng/nng.h>
void *nng_msg_header(nng_msg *msg);
DESCRIPTION
The nng_msg_header() function returns a pointer to the start of the header
content of the message msg.
note
The message header contains protocol-specific header content. Most applications should not need to access this content, but it is available for raw mode sockets.
note
The value returned by this is invalidated by a call to any of the functions that modify the message or the header content.
RETURN VALUES
Pointer to start of message header.
SEE ALSO
nng_msg_alloc, nng_msg_body, nng_msg_free, nng_msg_header_append, nng_msg_header_chop, nng_msg_header_insert nng_msg_header_len, nng_msg_header_trim