Content of RPM bash-devel-4.4.20-5.el8.i686.rpm :
/usr/include/bash
/usr/include/bash/alias.h
/usr/include/bash/array.h
/usr/include/bash/arrayfunc.h
/usr/include/bash/assoc.h
/usr/include/bash/bashansi.h
/usr/include/bash/bashintl.h
/usr/include/bash/bashjmp.h
/usr/include/bash/bashtypes.h
/usr/include/bash/builtins
/usr/include/bash/builtins.h
/usr/include/bash/builtins/bashgetopt.h
/usr/include/bash/builtins/builtext.h
/usr/include/bash/builtins/common.h
/usr/include/bash/builtins/getopt.h
/usr/include/bash/command.h
/usr/include/bash/config-bot.h
/usr/include/bash/config-top.h
/usr/include/bash/config.h
/usr/include/bash/conftypes.h
/usr/include/bash/dispose_cmd.h
/usr/include/bash/error.h
/usr/include/bash/externs.h
/usr/include/bash/general.h
/usr/include/bash/hashlib.h
/usr/include/bash/include
/usr/include/bash/include/ansi_stdlib.h
/usr/include/bash/include/chartypes.h
/usr/include/bash/include/filecntl.h
/usr/include/bash/include/gettext.h
/usr/include/bash/include/maxpath.h
/usr/include/bash/include/memalloc.h
/usr/include/bash/include/ocache.h
/usr/include/bash/include/posixdir.h
/usr/include/bash/include/posixjmp.h
/usr/include/bash/include/posixstat.h
/usr/include/bash/include/posixtime.h
/usr/include/bash/include/posixwait.h
/usr/include/bash/include/shmbchar.h
/usr/include/bash/include/shmbutil.h
/usr/include/bash/include/shtty.h
/usr/include/bash/include/stat-time.h
/usr/include/bash/include/stdc.h
/usr/include/bash/include/systimes.h
/usr/include/bash/include/typemax.h
/usr/include/bash/include/unionwait.h
/usr/include/bash/jobs.h
/usr/include/bash/make_cmd.h
/usr/include/bash/pathnames.h
/usr/include/bash/quit.h
/usr/include/bash/shell.h
/usr/include/bash/sig.h
/usr/include/bash/siglist.h
/usr/include/bash/signames.h
/usr/include/bash/subst.h
/usr/include/bash/syntax.h
/usr/include/bash/unwind_prot.h
/usr/include/bash/variables.h
/usr/include/bash/version.h
/usr/include/bash/xmalloc.h
/usr/include/bash/y.tab.h
/usr/lib/pkgconfig/bash.pc