-.\" $OpenBSD: BIO_ctrl.3,v 1.20 2023/04/26 15:03:02 schwarze Exp $
+.\" $OpenBSD: BIO_ctrl.3,v 1.21 2023/04/27 14:44:33 schwarze Exp $
.\" full merge up to: OpenSSL 24a535eaf Tue Sep 22 13:14:20 2020 +0100
.\" selective merge up to: OpenSSL 0c5bc96f Tue Mar 15 13:57:22 2022 +0000
.\"
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
.\" OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: April 26 2023 $
+.Dd $Mdocdate: April 27 2023 $
.Dt BIO_CTRL 3
.Os
.Sh NAME
.It Dv BIO_CTRL_WPENDING Ta Fn BIO_wpending
.El
.Pp
-Some
+A few
.Fa cmd
constants serve more than one macro each
and are documented in the following manual pages:
.It Dv BIO_C_SET_CONNECT Ta Xr BIO_s_connect 3
.It Dv BIO_C_SET_FILENAME Ta Xr BIO_s_file 3
.El
+.Pp
+Some
+.Fa cmd
+constants are not associated with any macros.
+They are documented in the following manual pages:
+.Bl -column BIO_CTRL_DGRAM_SET_RECV_TIMEOUT BIO_dgram_recv_timedout(3)\
+ -offset 3n
+.It Fa cmd No constant Ta manual page
+.It Dv BIO_C_GET_EX_ARG Ta Xr BIO_f_asn1 3
+.It Dv BIO_C_GET_PREFIX Ta Xr BIO_asn1_get_prefix 3
+.It Dv BIO_C_GET_SUFFIX Ta Xr BIO_asn1_get_suffix 3
+.It Dv BIO_C_SET_EX_ARG Ta Xr BIO_f_asn1 3 , Xr BIO_new_NDEF 3
+.It Dv BIO_C_SET_PREFIX Ta Xr BIO_asn1_set_prefix 3
+.It Dv BIO_C_SET_SUFFIX Ta Xr BIO_asn1_set_suffix 3
+.It Dv BIO_CTRL_DGRAM_GET_FALLBACK_MTU Ta Xr BIO_dgram_set_peer 3
+.It Dv BIO_CTRL_DGRAM_GET_MTU Ta Xr BIO_dgram_set_peer 3
+.It Dv BIO_CTRL_DGRAM_GET_RECV_TIMEOUT Ta Xr BIO_dgram_recv_timedout 3
+.It Dv BIO_CTRL_DGRAM_GET_SEND_TIMEOUT Ta Xr BIO_dgram_send_timedout 3
+.It Dv BIO_CTRL_DGRAM_SET_MTU Ta Xr BIO_dgram_set_peer 3
+.It Dv BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT Ta Xr BIO_dgram_recv_timedout 3
+.It Dv BIO_CTRL_DGRAM_SET_RECV_TIMEOUT Ta Xr BIO_dgram_recv_timedout 3
+.It Dv BIO_CTRL_DGRAM_SET_SEND_TIMEOUT Ta Xr BIO_dgram_send_timedout 3
+.It Dv BIO_CTRL_DGRAM_MTU_EXCEEDED Ta Xr BIO_s_datagram 3
+.It Dv BIO_CTRL_POP Ta Xr BIO_pop 3
+.It Dv BIO_CTRL_PUSH Ta Xr BIO_push 3
+.El
.Sh RETURN VALUES
The meaning of the return values of
.Fn BIO_ctrl ,