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SCTP_BINDX(3)              Library Functions Manual              SCTP_BINDX(3)

NAME
     sctp_bindx - bind or unbind an SCTP socket to a list of addresses

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/socket.h>
     #include <netinet/sctp.h>

     int
     sctp_bindx(int s, struct sockaddr *addrs, int num, int type);

DESCRIPTION
     The sctp_bindx() call binds or unbinds a address or a list of addresses
     to an SCTP endpoint.  This allows a user to bind a subset of addresses.
     The sctp_bindx() call operates similarly to bind() but allows a list of
     addresses and also allows a bind or an unbind.  The argument s must be a
     valid SCTP socket descriptor.  The argument addrs is a list of addresses
     (where the list may be only 1 in length) that the user wishes to bind or
     unbind to the socket.  The argument type must be one of the following
     values.

     SCTP_BINDX_ADD_ADDR This value indicates that the listed address(es) need
     to be added to the endpoint.

     SCTP_BINDX_DEL_ADDR This value indicates that the listed address(es) need
     to be removed from the endpoint.

     Note that when a user adds or deletes an address to an association if the
     dynamic address flag net.inet.sctp.auto_asconf is enabled any
     associations in the endpoint will attempt to have the address(es) added
     dynamically to the existing association.

RETURN VALUES
     The call returns 0 on success and -1 upon failure.

ERRORS
     The sctp_bindx() function can return the following errors:

     [EBADF]            The argument s is not a valid descriptor.

     [EINVAL]           This value is returned if the type field is not one of
                        the allowed values (see above).

     [ENOMEM]           This value is returned if the number of addresses
                        being added causes a memory allocation failure in the
                        call.

     [ENOTSOCK]         The argument s is not a socket.

SEE ALSO
     bind(2), sctp(4)

     Sockets API Extensions for the Stream Control Transmission Protocol
     (SCTP), RFC, 6458, December 2011.

HISTORY
     This function first appeared in NetBSD 9.0.

NetBSD 8.99.34                  August 1, 2018                  NetBSD 8.99.34