It would be nice to have an option for scanelf (and related utilities) for case-insensitive matching. For example: "scanelf -gs '[_A-Za-z]*exit[_A-Za-z]*'" should be able to find uses of _Exit, too. Thanks.
http://sources.gentoo.org/gentoo-projects/pax-utils/scanelf.c?r1=1.245&r2=1.246 use -gg to get case insensitive matching