Remove bb_ prefixes from xfuncs.c (and a few other places), consolidate
things like xasprintf() into xfuncs.c, remove xprint_file_by_name() (it only
had one user), clean up lots of #includes...  General cleanup pass.  What I've
been doing for the last couple days.

And it conflicts!  I've removed httpd.c from this checkin due to somebody else
touching that file.  It builds for me.  I have to catch a bus.  (Now you know
why I'm looking forward to Mercurial.)
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index cae7f99..4f688e7 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -11,7 +11,7 @@
 
 LIBBB-n:=
 LIBBB-y:= \
-	bb_asprintf.c ask_confirmation.c change_identity.c chomp.c \
+	ask_confirmation.c change_identity.c chomp.c \
 	compare_string_array.c concat_path_file.c copy_file.c copyfd.c \
 	crc32.c create_icmp_socket.c create_icmp6_socket.c \
 	device_open.c dump.c error_msg.c error_msg_and_die.c \
@@ -22,15 +22,14 @@
 	kernel_version.c last_char_is.c login.c \
 	make_directory.c md5.c mode_string.c mtab_file.c \
 	obscure.c parse_mode.c parse_number.c perror_msg.c \
-	perror_msg_and_die.c print_file.c get_console.c \
+	perror_msg_and_die.c get_console.c \
 	process_escape_sequence.c procps.c qmodule.c \
-	read_package_field.c recursive_action.c remove_file.c \
+	recursive_action.c remove_file.c \
 	restricted_shell.c run_parts.c run_shell.c safe_read.c safe_write.c \
 	safe_strncpy.c setup_environment.c sha1.c simplify_path.c \
 	trim.c u_signal_names.c vdprintf.c verror_msg.c \
 	vherror_msg.c vperror_msg.c wfopen.c xconnect.c xgetcwd.c xstat.c \
 	xgethostbyname.c xgethostbyname2.c xreadlink.c xregcomp.c xgetlarg.c \
-	bb_xsocket.c bb_xdaemon.c bb_xbind.c bb_xlisten.c bb_xchdir.c \
 	get_terminal_width_height.c fclose_nonstdin.c fflush_stdout_and_exit.c \
 	getopt_ulflags.c default_error_retval.c wfopen_input.c speed_table.c \
 	perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c bb_askpass.c \
@@ -97,18 +96,12 @@
 $(LIBBB_MOBJ6):$(LIBBB_MSRC6)
 	$(compile.c) -DL_$(notdir $*)
 
-LIBBB_MSRC7:=$(srcdir)/opendir.c
-LIBBB_MOBJ7:=$(call get-file-subparts, ${LIBBB_MSRC7})
-LIBBB_MOBJ7:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ7))
-$(LIBBB_MOBJ7):$(LIBBB_MSRC7)
-	$(compile.c) -DL_$(notdir $*)
-
 # We need the names of the object files built from MSRC for the L_ defines
 LIBBB_ALL_MOBJ:=$(LIBBB_MOBJ0) $(LIBBB_MOBJ1) $(LIBBB_MOBJ2) $(LIBBB_MOBJ3) \
-	$(LIBBB_MOBJ4) $(LIBBB_MOBJ5) $(LIBBB_MOBJ6) $(LIBBB_MOBJ7)
+	$(LIBBB_MOBJ4) $(LIBBB_MOBJ5) $(LIBBB_MOBJ6)
 
 LIBBB_ALL_MSRC:=$(LIBBB_MSRC0) $(LIBBB_MSRC1) $(LIBBB_MSRC2) $(LIBBB_MSRC3) \
-	$(LIBBB_MSRC4) $(LIBBB_MSRC5) $(LIBBB_MSRC6) $(LIBBB_MSRC7)
+	$(LIBBB_MSRC4) $(LIBBB_MSRC5) $(LIBBB_MSRC6)
 
 LIBBB-y:=$(sort $(LIBBB-y) $(LIBBB_ALL_MSRC))