PROBLEM:  (80484) (PATCH ID: OSF505-085)
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This patch fixes a problem with the dlsym() routine.  The problem was that
dlsym() would perform a ring search when locating symbols in a library
that was linked with the "-B symbolic" linker flag.  The dlsym() search
in this case should only be a depth search.  With this fix, only the
selected library and its dependencies will be searched.  The search
will not continue to the application and its dependencies.
PROBLEM: (82955) (PATCH ID: OSF505-174)
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  This patch fixes a problem with dlclose() that prevented the
  Apache web server from running on V5.0A.
 
  The problem was that dlclose() was not unloading Apache libraries
  from memory.  Then, on subsequent dlopen() calls for those same
  libraries, since they were already loaded, the memory allocated to
  them was not zero-filled as it should have been.