nng_msg_alloc - allocate a message

       The nng_msg_alloc() function allocates a new message with body length size and stores the result in msgp.
       Messages allocated with this function contain a body and optionally a header. They are used with receive
       and transmit functions.

       NNG_ENOMEM
           Insufficient free memory exists to allocate a message.

       nng_msg_alloc - allocate a message

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

nng_msg_free(3), nng_msg_body(3), nng_msg_dup(3), nng_msg_header(3), nng_msg_header_len(3),
       nng_msg_len(3), nng_msg_capacity(3), nng_msg_reserve(3), nng_msg_realloc(3), nng_strerror(3), nng_msg(5),
       nng(7)

                                                   2025-04-20                                   NNG_MSG_ALLOC(3)

           #include <nng/nng.h>

           int nng_msg_alloc(nng_msg **msgp, size_t size);