[openssl/openssl] e0c4e4: BIO_sendmmsg/BIO_recvmmsg (API only)

[Hugo Landau]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: e0c4e43e40390e44614d14817e34b47e1c17d630
      https://github.com/openssl/openssl/commit/e0c4e43e40390e44614d14817e34b47e1c17d630
  Author: Hugo Landau <hlandau at openssl.org>
  Date:   2022-08-19 (Fri, 19 Aug 2022)

  Changed paths:
    M crypto/bio/bio_cb.c
    M crypto/bio/bio_err.c
    M crypto/bio/bio_lib.c
    M crypto/bio/bio_meth.c
    M doc/build.info
    M doc/man3/BIO_meth_new.pod
    A doc/man3/BIO_sendmmsg.pod
    M include/internal/bio.h
    M include/openssl/bio.h.in
    M include/openssl/bioerr.h
    M util/libcrypto.num
    M util/other.syms

  Log Message:
  -----------
  BIO_sendmmsg/BIO_recvmmsg (API only)

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Matt Caswell <matt at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18923)