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MrmOpenHierarchyPerDisplay(3X)			MrmOpenHierarchyPerDisplay(3X)

NAME
       MrmOpenHierarchyPerDisplay - Allocates a hierarchy ID and opens all the
       UID files in the hierarchy

SYNOPSIS
       #include <Mrm/MrmPublic.h>

       Cardinal	     MrmOpenHierarchyPerDisplay	     (display,	    num_files,
       file_names_list, ancillary_structures_list, hierarchy_id)
	       Display *display;
	       MrmCount num_files;
	       String file_names_list[];
	       MrmOsOpenParamPtr *ancillary_structures_list;
	       MrmHierarchy *hierarchy_id;

DESCRIPTION
       MrmOpenHierarchyPerDisplay  allows you to specify the list of UID files
       that MRM searches in subsequent fetch operations. All subsequent	 fetch
       operations  return  the	first occurrence of the named item encountered
       while traversing the UID hierarchy from the  first  list	 element  (UID
       file  specification) to the last list element. This function also allo‐
       cates a hierarchy ID and opens all the UID files in the	hierarchy.  It
       initializes  the	 optimized  search lists in the hierarchy. If MrmOpen‐
       HierarchyPerDisplay encounters any errors  during  its  execution,  any
       files that were opened are closed.

       The application must call XtAppInitialize before calling MrmOpenHierar‐
       chyPerDisplay.  Specifies the connection to the X server and the	 value
       to  pass	 to  XtResolvePathname.	  For  more information on the Display
       structure, see the Xlib function XOpenDisplay.  Specifies the number of
       files  in  the name list.  Specifies an array of character strings that
       identify the UID files.	A list of operating-system-dependent ancillary
       structures corresponding to such things as filenames, clobber flag, and
       so forth. This argument should be NULL for most operations. If you need
       to reference this structure, see the definition of MrmOsOpenParamPtr in
       <MrmPublic.h> for more information.  Returns the search	hierarchy  ID.
       The  search  hierarchy  ID  identifies  the  list of UID files that MRM
       searches (in order) when performing subsequent fetch calls.

       Each UID file string in file_names_list can specify either a full path‐
       name  or	 a  filename. If a UID file string has a leading slash (/), it
       specifies a full pathname, and MRM opens the file as specified.	Other‐
       wise,  the UID file string specifies a filename. In this case MRM looks
       for the file along a search path specified by the  UIDPATH  environment
       variable or by a default search path, which varies depending on whether
       or not the XAPPLRESDIR environment variable is set.

       The UIDPATH environment variable specifies a  search  path  and	naming
       conventions  associated with UID files. It can contain the substitution
       field %U, where the UID file string from the  file_names_list  argument
       to  MrmOpenHierarchyPerDisplay  is substituted for %U. It can also con‐
       tain the substitution fields accepted by XtResolvePathname. The substi‐
       tution  field  %T  is  always  mapped  to uid. The entire path is first
       searched with %S mapped to .uid and then,  if  no  file	is  found,  is
       searched	 again with %S mapped to NULL. For example, the following UID‐
       PATH value and MrmOpenHierarchyPerDisplay call cause MRM	 to  open  two
       separate UID files:

       UIDPATH=/uidlib/%L/%U.uid:/uidlib/%U/%L
	 static char *uid_files[] = {"/usr/users/me/test.uid", "test2"};
	 MrmHierarchy  *Hierarchy_id;
	 MrmOpenHierarchyPerDisplay((MrmCount)2,uid_files, NULL, Hierarchy_id)

       MRM  opens  the first file, /usr/users/me/test.uid, as specified in the
       file_names_list argument to MrmOpenHierarchyPerDisplay, because the UID
       file  string in the file_names_list argument specifies a full pathname.
       MRM looks for the second file, test2, first as /uidlib/%L/test2.uid and
       second as /uidlib/test2/%L, where the display's language string is sub‐
       stituted for %L.

       After MrmOpenHierarchyPerDisplay opens the UID  hierarchy,  you	should
       not delete or modify the UID files until you close the UID hierarchy by
       calling MrmCloseHierarchy.

       If UIDPATH is not set but the environment variable XAPPLRESDIR is  set,
       MRM searches the following pathnames:
	       %U%S
	       $XAPPLRESDIR/%L/uid/%N/%U%S
	       $XAPPLRESDIR/%l/uid/%N/%U%S
	       $XAPPLRESDIR/uid/%N/%U%S
	       $XAPPLRESDIR/%L/uid/%U%S
	       $XAPPLRESDIR/%l/uid/%U%S
	       $XAPPLRESDIR/uid/%U%S
	       $HOME/uid/%U%S
	       $HOME/%U%S
	       /usr/lib/X11/%L/uid/%N/%U%S
	       /usr/lib/X11/%l/uid/%N/%U%S
	       /usr/lib/X11/uid/%N/%U%S
	       /usr/lib/X11/%L/uid/%U%S
	       /usr/lib/X11/%l/uid/%U%S
	       /usr/lib/X11/uid/%U%S
	       /usr/include/X11/uid/%U%S

       If  neither  UIDPATH nor XAPPLRESDIR is set, MRM searches the following
       pathnames:
	       %U%S
	       $HOME/%L/uid/%N/%U%S
	       $HOME/%l/uid/%N/%U%S
	       $HOME/uid/%N/%U%S
	       $HOME/%L/uid/%U%S
	       $HOME/%l/uid/%U%S
	       $HOME/uid/%U%S
	       $HOME/%U%S
	       /usr/lib/X11/%L/uid/%N/%U%S
	       /usr/lib/X11/%l/uid/%N/%U%S
	       /usr/lib/X11/uid/%N/%U%S
	       /usr/lib/X11/%L/uid/%U%S
	       /usr/lib/X11/%l/uid/%U%S
	       /usr/lib/X11/uid/%U%S
	       /usr/include/X11/uid/%U%S

       These paths are defaults that vendors may change. For example, a vendor
       may use different directories for /usr/lib/X11 and /usr/include/X11.

       The  following  substitutions  are  used	 in  these paths: The UID file
       string, from the file_names_list	 argument.   The  class	 name  of  the
       application.  The display's language string.  The language component of
       the display's language string.  The suffix to the file name. The entire
       path  is searched first with a suffix of .uil, and if no file is found,
       it is searched again with a NULL suffix.

RETURN VALUES
       This function returns one of these status return constants:  The	 func‐
       tion executed successfully.  File not found.  The function failed.

SEE ALSO
       MrmCloseHierarchy(3X)

						MrmOpenHierarchyPerDisplay(3X)
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