nng_req_open - create req socket

       The nng_req0_open() function creates a req version 0 socket and returns it at the location pointed to by
       s.

       The nng_req0_open_raw() function creates a req version 0 socket in raw mode and returns it at the
       location pointed to by s.

       NNG_ENOMEM
           Insufficient memory is available.

       NNG_ENOTSUP
           The protocol is not supported.

       nng_req_open - create req socket

       These functions return 0 on success, and non-zero otherwise.

nng_options(5), nng_socket(5), nng_rep(7), nng_req(7), nng(7)

                                                   2025-04-20                                    NNG_REQ_OPEN(3)

           #include <nng/nng.h>
           #include <nng/protocol/reqrep0/req.h>

           int nng_req0_open(nng_socket *s);

           int nng_req0_open_raw(nng_socket *s);