#!/bin/sh -efu

[ $# -gt 0 ] || {
	echo "Usage: findsym <symbol...>"
	exit 1;
}

/sbin/ldconfig -p |
	tail +1 |
	sed -e 's/^.*=>[[:space:]]*\([^[:space:]]\+\)[[:space:]]*$/\1/p;' |
	sort |
	uniq |
	while read lib; do
		[ -r "$lib" ] || continue
		save_IFS="$IFS"
		IFS='
'
		nm -D "$lib" 2>/dev/null |
			grep -Fwe "$*" |
			grep -ve '^........ U ' |
			while read sym; do
				printf "%s: %s\n" "$lib" "$sym"
			done
		IFS="$save_IFS"
	done