XAddHost man page on BSDi

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XAddHost(3X11)		XLIB FUNCTIONS	   XAddHost(3X11)

NAME
       XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemove-
       Hosts, XSetAccessControl, XEnableAccessControl, XDis-
       ableAccessControl, XHostAddress - control host access and
       host control structure

SYNTAX
       XAddHost(display, host)
	     Display *display;
	     XHostAddress *host;

       XAddHosts(display, hosts, num_hosts)
	     Display *display;
	     XHostAddress *hosts;
	     int num_hosts;

       XHostAddress *XListHosts(display, nhosts_return,
       state_return)
	     Display *display;
	     int *nhosts_return;
	     Bool *state_return;

       XRemoveHost(display, host)
	     Display *display;
	     XHostAddress *host;

       XRemoveHosts(display, hosts, num_hosts)
	     Display *display;
	     XHostAddress *hosts;
	     int num_hosts;

       XSetAccessControl(display, mode)
	     Display *display;
	     int mode;

       XEnableAccessControl(display)
	     Display *display;

       XDisableAccessControl(display)
	     Display *display;

ARGUMENTS
       display	Specifies the connection to the X server.

       host	Specifies the host that is to be added or
		 removed.

       hosts	Specifies each host that is to be added or
		 removed.

       mode	Specifies the mode.  You can pass EnableAccess
		 or DisableAccess.

X Version 11		Release 6.4				1

XAddHost(3X11)		XLIB FUNCTIONS	   XAddHost(3X11)

       nhosts_return
		 Returns the number of hosts currently in the
		 access control list.

       num_hosts Specifies the number of hosts.

       state_return
		 Returns the state of the access control.

DESCRIPTION
       The XAddHost function adds the specified host to the
       access control list for that display.  The server must be
       on the same host as the client issuing the command, or a
       BadAccess error results.

       XAddHost can generate BadAccess and BadValue errors.

       The XAddHosts function adds each specified host to the
       access control list for that display.  The server must be
       on the same host as the client issuing the command, or a
       BadAccess error results.

       XAddHosts can generate BadAccess and BadValue errors.

       The XListHosts function returns the current access control
       list as well as whether the use of the list at connection
       setup was enabled or disabled.  XListHosts allows a pro-
       gram to find out what machines can make connections.  It
       also returns a pointer to a list of host structures that
       were allocated by the function.	When no longer needed,
       this memory should be freed by calling XFree.

       The XRemoveHost function removes the specified host from
       the access control list for that display.  The server must
       be on the same host as the client process, or a BadAccess
       error results.  If you remove your machine from the access
       list, you can no longer connect to that server, and this
       operation cannot be reversed unless you reset the server.

       XRemoveHost can generate BadAccess and BadValue errors.

       The XRemoveHosts function removes each specified host from
       the access control list for that display.  The X server
       must be on the same host as the client process, or a
       BadAccess error results. If you remove your machine from
       the access list, you can no longer connect to that server,
       and this operation cannot be reversed unless you reset the
       server.

       XRemoveHosts can generate BadAccess and BadValue errors.

       The XSetAccessControl function either enables or disables
       the use of the access control list at each connection
       setup.

X Version 11		Release 6.4				2

XAddHost(3X11)		XLIB FUNCTIONS	   XAddHost(3X11)

       XSetAccessControl can generate BadAccess and BadValue
       errors.

       The XEnableAccessControl function enables the use of the
       access control list at each connection setup.

       XEnableAccessControl can generate a BadAccess error.

       The XDisableAccessControl function disables the use of the
       access control list at each connection setup.

       XDisableAccessControl can generate a BadAccess error.

STRUCTURES
       The XHostAddress structure contains:

       typedef struct {
	    int family;		/* for example FamilyInternet */
	    int length;		/* length of address, in bytes */
	    char *address;	   /* pointer to where to find the address */
       } XHostAddress;

       The family member specifies which protocol address family
       to use (for example, TCP/IP or DECnet) and can be
       FamilyInternet, FamilyDECnet, or FamilyChaos.  The length
       member specifies the length of the address in bytes.  The
       address member specifies a pointer to the address.

DIAGNOSTICS
       BadAccess A client attempted to modify the access control
		 list from other than the local (or otherwise
		 authorized) host.

       BadValue Some numeric value falls outside the range of
		 values accepted by the request.  Unless a spe-
		 cific range is specified for an argument, the
		 full range defined by the argument's type is
		 accepted.  Any argument defined as a set of
		 alternatives can generate this error.

SEE ALSO
       XFree(3X11)
       Xlib - C Language X Interface

X Version 11		Release 6.4				3

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