Library /sys$common/syshlp/sca$menu.hlb sca__fcs_call_to  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Click on this button or the Name Entry Box to activate this
  selection.  SCA will find calls to the routine name that you specify.
  If you do not specify a routine name for the From attribute, SCA
  displays all calls to this routine.