Get list of functions which use pass-by-reference and are candidates for MRS

 This snippet returns a list of pass-by-reference functions which, in most cases, should better be written using multiple return value syntax instead of pass-by-reference.

#pragma TextEncoding = "UTF-8"
#pragma rtGlobals=3
#pragma IgorVersion=9.0

// Call with: GetListOfPassByRefFunctions("MyFiles*")
Function GetListOfPassByRefFunctions(string winMatchExpression)

	WAVE/T wins = ListToTextWave(WinList(winMatchExpression, ";", ""), ";")

	string func, win, info
	variable numParams, i, type

	for(win : wins)
		WAVE/T funcs = ListToTextWave(FunctionList("*", ";", "KIND:18,WIN:" + win), ";")
		for(func : funcs)
			info = FunctionInfo(func, win)
			numParams = NumberByKey("N_PARAMS", info)
			for(i = 0; i < numParams; i += 1)
				type = NumberByKey("PARAM_" + num2str(i) + "_TYPE", info)

				if(type & 0x1000 && !(type & 0x200)) // pass-by-ref but no struct
					print func
					break
				endif
			endfor
		endfor
	endfor
End