Add static finding script.

src/FIND_STATIC

+#!/bin/sh
+trap "rm -f /tmp/$$" 0 1 2 3 15
+
+# This script finds functions that are either never called, or
+# should be static.
+# Some functions, like library functions and debug_print functions,
+# should remain unchanged.
+
+# Run on a compiled source tree, from the top of the source tree
+
+# My nm utility has 9 characters of address which I strip, then a 'type'
+# character, with T as a text function, and U as an undefined function
+# symbol, then the function name.
+
+find . -name '[a-z]*.o' -type f -print | while read FILE
+do
+	nm $FILE | cut -c10-100 |awk '{printf "%s\t%s\t%s\n", "'"$FILE"'",$1,$2}'
+done >/tmp/$$
+destroydb debug
+createdb debug
+echo "
+	create table debug (file text, scope char, func text);
+
+	copy debug from '/tmp/"$$"';
+
+	select 	* 
+	into	table debug2 
+	from 	debug;
+
+	update 	debug2 
+	set 	scope = '_' 
+	from 	debug
+	where 	debug2.func = debug.func and
+		debug2.scope = 'T' and debug.scope = 'U';
+
+	delete 	from debug2
+	where 	scope = '_';
+
+	select 	*
+	from 	debug2
+	where	scope = 'T';
+" |psql debug
+