These functions search for references to words and patterns.
SearchForRefs (hbuf, word, fTouchFiles)
GetSourceLink (hbufSource, lnSource)
SetSourceLink (hbufSource, lnSource, target_file, lnTarget )
SearchInBuf (hbuf, pattern, lnStart, ichStart, fMatchCase, fRegExp, fWholeWordsOnly)
LoadSearchPattern(pattern, fMatchCase, fRegExp, fWholeWordsOnly)
