= nng_msg_chop(3) // // Copyright 2018 Staysail Systems, Inc. // Copyright 2018 Capitar IT Group BV // // This document is supplied under the terms of the MIT License, a // copy of which should be located in the distribution where this // file was obtained (LICENSE.txt). A copy of the license may also be // found online at https://opensource.org/licenses/MIT. // == NAME nng_msg_chop, nng_msg_chop_u32 - remove data from end of message body == SYNOPSIS [source, c] ---- #include int nng_msg_chop(nng_msg *msg, size_t size); int nng_msg_chop_u32(nng_msg *msg, uint32_t *val32); ---- == DESCRIPTION The `nng_msg_chop()` and `nng_msg_chop_u32()` functions remove data from the end 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. == RETURN VALUES This function returns 0 on success, and non-zero otherwise. == ERRORS `NNG_EINVAL`:: The message body is too short to remove the requested data. == SEE ALSO <>, <>, <>, <>, <>, <>, <>, <>, <>, <>, <>