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This documentation is for version v1.0.0 of nng, but the latest released version is v1.7.3. see the documentation for v1.7.3 for the most up-to-date information.


#include <nng/nng.h>

int nng_msg_trim(nng_msg *msg, size_t size);

int nng_msg_trim_u32(nng_msg *msg, uint32_t *val32);


The nng_msg_trim() and nng_msg_trim_u32() functions remove data from the start of the body of message msg. The first function removes size bytes. The second function removes 4 bytes, and stores them in the value val32, after converting them from network-byte order (big-endian) to native byte order.


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



The message body is too short to remove the requested data.

NNG Reference Manual vv1.0.0 © 2019 Staysail Systems, Inc, © 2018 Capitar IT Group BV
This document is supplied under the MIT License.
nanomsg™ and nng™ are trademarks of Garrett D'Amore.