nng_msg_dup - duplicate a message

       The nng_msg_dup() makes a duplicate of the original message orig, and saves the result in the location
       pointed by dup. The actual message body and header content is copied, but the duplicate may contain a
       different amount of unused space than the original message.

       NNG_ENOMEM
           Insufficient free memory exists to duplicate a message.

       nng_msg_dup - duplicate a message

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

nng_msg_alloc(3), nng_msg_free(3), nng_strerror(3), nng_msg(5), nng(7)

                                                   2025-04-20                                     NNG_MSG_DUP(3)

           #include <nng/nng.h>

           int nng_msg_dup(nng_msg **dup, nng_msg_t *orig);