Content of RPM proftpd-devel-1.3.3c-1.el6.rf.i686.rpm :
/usr/include/proftpd
/usr/include/proftpd/auth.h
/usr/include/proftpd/bindings.h
/usr/include/proftpd/buildstamp.h
/usr/include/proftpd/child.h
/usr/include/proftpd/class.h
/usr/include/proftpd/cmd.h
/usr/include/proftpd/compat.h
/usr/include/proftpd/conf.h
/usr/include/proftpd/config.h
/usr/include/proftpd/ctrls.h
/usr/include/proftpd/data.h
/usr/include/proftpd/default_paths.h
/usr/include/proftpd/dirtree.h
/usr/include/proftpd/display.h
/usr/include/proftpd/encode.h
/usr/include/proftpd/env.h
/usr/include/proftpd/event.h
/usr/include/proftpd/expr.h
/usr/include/proftpd/feat.h
/usr/include/proftpd/filter.h
/usr/include/proftpd/fsio.h
/usr/include/proftpd/ftp.h
/usr/include/proftpd/glibc-glob.h
/usr/include/proftpd/help.h
/usr/include/proftpd/inet.h
/usr/include/proftpd/libsupp.h
/usr/include/proftpd/log.h
/usr/include/proftpd/mkhome.h
/usr/include/proftpd/mod_ctrls.h
/usr/include/proftpd/mod_quotatab.h
/usr/include/proftpd/mod_sql.h
/usr/include/proftpd/mod_tls.h
/usr/include/proftpd/modules.h
/usr/include/proftpd/netacl.h
/usr/include/proftpd/netaddr.h
/usr/include/proftpd/netio.h
/usr/include/proftpd/options.h
/usr/include/proftpd/parser.h
/usr/include/proftpd/pidfile.h
/usr/include/proftpd/pool.h
/usr/include/proftpd/pr-syslog.h
/usr/include/proftpd/privs.h
/usr/include/proftpd/proctitle.h
/usr/include/proftpd/proftpd.h
/usr/include/proftpd/regexp.h
/usr/include/proftpd/response.h
/usr/include/proftpd/scoreboard.h
/usr/include/proftpd/session.h
/usr/include/proftpd/sets.h
/usr/include/proftpd/str.h
/usr/include/proftpd/support.h
/usr/include/proftpd/table.h
/usr/include/proftpd/throttle.h
/usr/include/proftpd/timers.h
/usr/include/proftpd/trace.h
/usr/include/proftpd/var.h
/usr/include/proftpd/version.h
/usr/include/proftpd/xferlog.h
/usr/lib/pkgconfig/proftpd.pc