diff --git a/Makefile.in b/Makefile.in
index 1a32d1d..511f3cb 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -2,8 +2,10 @@ CC=@CC@
 CFLAGS=@CFLAGS@ @DEFS@ -g -Wall -I. -O0
 LDADD=@LDFLAGS@ @LIBS@
 
-OBJECTS=bgpq3.o sx_report.o bgpq_expander.o sx_slentry.o bgpq3_printer.o
-SRCS=bgpq3.c bgpq_expander.c sx_slentry.c bgpq3_printer.c
+OBJECTS=bgpq3.o sx_report.o bgpq_expander.o sx_slentry.o bgpq3_printer.o 
+OBJECTS+=sx_prefix.o 
+SRCS=bgpq3.c sx_report.c bgpq_expander.c sx_slentry.c bgpq3_printer.c 
+SRCS+=sx_prefix.c 
 
 
 all: bgpq3
diff --git a/bgpq3.c b/bgpq3.c
index 6649f1a..0b163e3 100644
--- a/bgpq3.c
+++ b/bgpq3.c
@@ -21,15 +21,28 @@ extern int debug_expander;
 int
 usage(int ecode)
 { 
-	printf("Usage: bgpq3 [-h] [-S sources] <OBJECTS>...\n");
-	printf(" -h  : this help\n");
-	printf(" -J  : use Juniper replace formatted output\n");
-	printf(" -l  : use specified name for generated access/prefix/.. list\n");
+	printf("Usage: bgpq3 [-h] [-S sources] [-P|G <number>|f <number>] <OBJECTS>"
+		"...\n");
+	printf(" -f number : generate input as-path access-list\n");
+	printf(" -G number : generate output as-path access-list\n");
+	printf(" -h        : this help\n");
+	printf(" -J        : use Juniper replace formatted output\n");
+	printf(" -l        : use specified name for generated access/prefix/.."
+		" list\n");
+	printf(" -P        : generate prefix-list (default)\n");
 	printf(" -S sources: use only specified sources (default:"
 		" RADB,RIPE,APNIC)\n");
+	printf("\nCopyright(c) Alexandre Snarskii <snar@paranoia.ru>, 2007\n\n");
 	exit(ecode);
 };
 
+void
+exclusive()
+{ 
+	fprintf(stderr,"-f <asnum>, -P are mutually exclusive\n");
+	exit(1);
+};
+
 int
 main(int argc, char* argv[])
 { 
@@ -41,7 +54,7 @@ main(int argc, char* argv[])
 	bgpq_expander_init(&expander,af);
 	expander.sources=getenv("IRRD_SOURCES");
 
-	while((c=getopt(argc,argv,"6dhS:Jf:l:W:P"))!=EOF) { 
+	while((c=getopt(argc,argv,"6dhS:Jf:l:W:PG:"))!=EOF) { 
 	switch(c) { 
 		case '6': af=AF_INET6;
 			expander.family=AF_INET6;
@@ -56,9 +69,20 @@ main(int argc, char* argv[])
 				sx_report(SX_FATAL,"Invalid AS number: %s\n", optarg);
 				exit(1);
 			};
+			if(expander.generation) exclusive();
 			expander.generation=T_ASPATH;
 			break;
-		case 'P': expander.generation=T_PREFIXLIST;
+		case 'G': expander.asnumber=atoi(optarg);
+			if(expander.asnumber<0 || expander.asnumber>65535) { 
+				sx_report(SX_FATAL,"Invalid AS number: %s\n", optarg);
+				exit(1);
+			};
+			if(expander.generation) exclusive();
+			expander.generation=T_OASPATH;
+			break;
+		case 'P': 
+			if(expander.generation) exclusive();
+			expander.generation=T_PREFIXLIST;
 			break;
 		case 'l': expander.name=optarg;
 			break;
@@ -95,6 +119,10 @@ main(int argc, char* argv[])
 		};
 	};
 
+	if(!expander.generation) { 
+		expander.generation=T_PREFIXLIST;
+	};
+
 	if(!argv[0]) usage(1);
 
 	while(argv[0]) { 
@@ -115,11 +143,13 @@ main(int argc, char* argv[])
 	};
 
 	switch(expander.generation) { 
+		case T_NONE: sx_report(SX_FATAL,"Unreachable point... call snar\n");
+			exit(1);
 		case T_ASPATH: bgpq3_print_aspath(stdout,&expander);
 			break;
-		case T_PREFIXLIST: bgpq3_print_prefixlist(stdout,&expander);
-		default : 
+		case T_OASPATH: bgpq3_print_oaspath(stdout,&expander);
 			break;
+		case T_PREFIXLIST: bgpq3_print_prefixlist(stdout,&expander);
 	};
 
 	return 0;
diff --git a/bgpq3.h b/bgpq3.h
index 0f48221..38c20e6 100644
--- a/bgpq3.h
+++ b/bgpq3.h
@@ -37,6 +37,7 @@ int bgpq_expand(struct bgpq_expander* b);
 
 int bgpq3_print_prefixlist(FILE* f, struct bgpq_expander* b);
 int bgpq3_print_aspath(FILE* f, struct bgpq_expander* b);
+int bgpq3_print_oaspath(FILE* f, struct bgpq_expander* b);
 
 
 #endif
diff --git a/bgpq3_printer.c b/bgpq3_printer.c
index cc29c27..3bff861 100644
--- a/bgpq3_printer.c
+++ b/bgpq3_printer.c
@@ -16,10 +16,10 @@ int
 bgpq3_print_cisco_aspath(FILE* f, struct bgpq_expander* b)
 { 
 	int nc=0, i, j;
-	fprintf(f,"no ip as-path access-list %s\n", b->name?b->name:"UNKNOWN");
+	fprintf(f,"no ip as-path access-list %s\n", b->name?b->name:"NN");
 	if(b->asnumbers[b->asnumber/8]&(0x80>>(b->asnumber%8))) { 
 		fprintf(f,"ip as-path access-list %s permit ^%i(_%i)*$\n",
-			b->name?b->name:"UNKNOWN",b->asnumber,b->asnumber);
+			b->name?b->name:"NN",b->asnumber,b->asnumber);
 	};
 	for(i=0;i<sizeof(b->asnumbers);i++) { 
 		for(j=0;j<8;j++) { 
@@ -27,7 +27,7 @@ bgpq3_print_cisco_aspath(FILE* f, struct bgpq_expander* b)
 				if(i*8+j==b->asnumber) continue;
 				if(!nc) { 
 					fprintf(f,"ip as-path access-list %s permit"
-						" ^%i(_[0-9]+)*_(%i", b->name?b->name:"UNKNOWN", 
+						" ^%i(_[0-9]+)*_(%i", b->name?b->name:"NN", 
 						b->asnumber,i*8+j);
 				} else { 
 					fprintf(f,"|%i",i*8+j);
@@ -43,13 +43,44 @@ bgpq3_print_cisco_aspath(FILE* f, struct bgpq_expander* b)
 	if(nc) fprintf(f,")$\n");
 	return 0;
 };
+int
+bgpq3_print_cisco_oaspath(FILE* f, struct bgpq_expander* b)
+{ 
+	int nc=0, i, j;
+	fprintf(f,"no ip as-path access-list %s\n", b->name?b->name:"NN");
+	if(b->asnumbers[b->asnumber/8]&(0x80>>(b->asnumber%8))) { 
+		fprintf(f,"ip as-path access-list %s permit ^(_%i)*$\n",
+			b->name?b->name:"NN",b->asnumber);
+	};
+	for(i=0;i<sizeof(b->asnumbers);i++) { 
+		for(j=0;j<8;j++) { 
+			if(b->asnumbers[i]&(0x80>>j)) { 
+				if(i*8+j==b->asnumber) continue;
+				if(!nc) { 
+					fprintf(f,"ip as-path access-list %s permit"
+						" ^(_[0-9]+)*_(%i", b->name?b->name:"NN", 
+						i*8+j);
+				} else { 
+					fprintf(f,"|%i",i*8+j);
+				}
+				nc++;
+				if(nc==b->aswidth) { 
+					fprintf(f,")$\n");
+					nc=0;
+				};
+			};
+		};
+	};
+	if(nc) fprintf(f,")$\n");
+	return 0;
+};
 		
 int
 bgpq3_print_juniper_aspath(FILE* f, struct bgpq_expander* b)
 { 
 	int nc=0, lineNo=0, i, j;
 	fprintf(f,"policy-options {\nreplace:\n as-path-group %s {\n", 
-		b->name?b->name:"UNKNOWN");
+		b->name?b->name:"NN");
 
 	if(b->asnumbers[b->asnumber/8]&(0x80>>(b->asnumber%8))) { 
 		fprintf(f,"  as-path a%i \"^%i(%i)*$\";\n", lineNo, b->asnumber,
@@ -80,6 +111,42 @@ bgpq3_print_juniper_aspath(FILE* f, struct bgpq_expander* b)
 	return 0;
 };
 
+int
+bgpq3_print_juniper_oaspath(FILE* f, struct bgpq_expander* b)
+{ 
+	int nc=0, lineNo=0, i, j;
+	fprintf(f,"policy-options {\nreplace:\n as-path-group %s {\n", 
+		b->name?b->name:"NN");
+
+	if(b->asnumbers[b->asnumber/8]&(0x80>>(b->asnumber%8))) { 
+		fprintf(f,"  as-path a%i \"^%i(%i)*$\";\n", lineNo, b->asnumber,
+			b->asnumber);
+		lineNo++;
+	};
+	for(i=0;i<sizeof(b->asnumbers);i++) { 
+		for(j=0;j<8;j++) { 
+			if(b->asnumbers[i]&(0x80>>j)) { 
+				if(i*8+j==b->asnumber) continue;
+				if(!nc) { 
+					fprintf(f,"  as-path a%i \"^(.)*(%i",
+						lineNo,i*8+j);
+				} else { 
+					fprintf(f,"|%i",i*8+j);
+				}
+				nc++;
+				if(nc==b->aswidth) { 
+					fprintf(f,")$\";\n");
+					nc=0;
+					lineNo++;
+				};
+			};
+		};
+	};
+	if(nc) fprintf(f,")$\";\n");
+	fprintf(f," }\n}\n");
+	return 0;
+};
+
 int
 bgpq3_print_aspath(FILE* f, struct bgpq_expander* b)
 { 
@@ -93,6 +160,19 @@ bgpq3_print_aspath(FILE* f, struct bgpq_expander* b)
 	return 0;
 };
 
+int
+bgpq3_print_oaspath(FILE* f, struct bgpq_expander* b)
+{ 
+	if(b->vendor==V_JUNIPER) { 
+		return bgpq3_print_juniper_oaspath(f,b);
+	} else if(b->vendor==V_CISCO) { 
+		return bgpq3_print_cisco_oaspath(f,b);
+	} else { 
+		sx_report(SX_FATAL,"Unknown vendor %i\n", b->vendor);
+	};
+	return 0;
+};
+
 void
 bgpq3_print_jprefix(struct sx_radix_node* n, void* ff)
 { 
@@ -114,14 +194,14 @@ bgpq3_print_cprefix(struct sx_radix_node* n, void* ff)
 	if(n->isGlue) return;
 	if(!f) f=stdout;
 	sx_prefix_snprintf(&n->prefix,prefix,sizeof(prefix));
-	fprintf(f,"ip prefix-list %s permit %s\n",bname?bname:"UNKNOWN",prefix);
+	fprintf(f,"ip prefix-list %s permit %s\n",bname?bname:"NN",prefix);
 };
 
 int
 bgpq3_print_juniper_prefixlist(FILE* f, struct bgpq_expander* b)
 { 
 	fprintf(f,"policy-options {\nreplace:\n prefix-list %s {\n",
-		b->name?b->name:"UNKNOWN");
+		b->name?b->name:"NN");
 	sx_radix_tree_foreach(b->tree,bgpq3_print_jprefix,f);
 	fprintf(f,"  }\n}\n");
 	return 0;
diff --git a/bgpq_expander.c b/bgpq_expander.c
index f7ec337..c6c75ba 100644
--- a/bgpq_expander.c
+++ b/bgpq_expander.c
@@ -33,7 +33,7 @@ bgpq_expander_init(struct bgpq_expander* b, int af)
 
 	b->family=af;
 	b->sources="ripe,radb,apnic";
-	b->name="UNKNOWN";
+	b->name="NN";
 	b->aswidth=8;
 
 	return 1;
diff --git a/configure b/configure
index df16f73..985d068 100755
--- a/configure
+++ b/configure
@@ -272,44 +272,7 @@ PACKAGE_STRING=
 PACKAGE_BUGREPORT=
 
 ac_unique_file="bgpq3.c"
-# Factoring default headers for most tests.
-ac_includes_default="\
-#include <stdio.h>
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#if HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# if HAVE_STDLIB_H
-#  include <stdlib.h>
-# endif
-#endif
-#if HAVE_STRING_H
-# if !STDC_HEADERS && HAVE_MEMORY_H
-#  include <memory.h>
-# endif
-# include <string.h>
-#endif
-#if HAVE_STRINGS_H
-# include <strings.h>
-#endif
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#else
-# if HAVE_STDINT_H
-#  include <stdint.h>
-# endif
-#endif
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif"
-
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -766,10 +729,6 @@ ac_env_CPPFLAGS_set=${CPPFLAGS+set}
 ac_env_CPPFLAGS_value=$CPPFLAGS
 ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
 ac_cv_env_CPPFLAGS_value=$CPPFLAGS
-ac_env_CPP_set=${CPP+set}
-ac_env_CPP_value=$CPP
-ac_cv_env_CPP_set=${CPP+set}
-ac_cv_env_CPP_value=$CPP
 
 #
 # Report the --help message.
@@ -844,7 +803,6 @@ Some influential environment variables:
               nonstandard directory <lib dir>
   CPPFLAGS    C/C++ preprocessor flags, e.g. -I<include dir> if you have
               headers in a nonstandard directory <include dir>
-  CPP         C preprocessor
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -2217,973 +2175,6 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-if test -d "../libsxreport" ; then
-	CFLAGS="$CFLAGS -I../libsxreport"
-	CPPFLAGS="$CPPFLAGS -I../libsxreport"
-	LDFLAGS="$LDFLAGS -L../libsxreport"
-fi
-
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
-  CPP=
-fi
-if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-    do
-      ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.$ac_ext
-
-  # OK, works on sane cases.  Now check whether non-existent headers
-  # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  # Broken: success on invalid input.
-continue
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  break
-fi
-
-    done
-    ac_cv_prog_CPP=$CPP
-
-fi
-  CPP=$ac_cv_prog_CPP
-else
-  ac_cv_prog_CPP=$CPP
-fi
-echo "$as_me:$LINENO: result: $CPP" >&5
-echo "${ECHO_T}$CPP" >&6
-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.$ac_ext
-
-  # OK, works on sane cases.  Now check whether non-existent headers
-  # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <ac_nonexistent.h>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  # Broken: success on invalid input.
-continue
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
-else
-  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-if test "${ac_cv_prog_egrep+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-    then ac_cv_prog_egrep='grep -E'
-    else ac_cv_prog_egrep='egrep'
-    fi
-fi
-echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
-echo "${ECHO_T}$ac_cv_prog_egrep" >&6
- EGREP=$ac_cv_prog_egrep
-
-
-echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_header_stdc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_header_stdc=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
-  :
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <ctype.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      exit(2);
-  exit (0);
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
-else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_header_stdc=no
-fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6
-if test $ac_cv_header_stdc = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-eval "$as_ac_Header=no"
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
-
-
-for ac_header in sx_report.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------------ ##
-## Report this to the AC_PACKAGE_NAME lists.  ##
-## ------------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-else
-  { { echo "$as_me:$LINENO: error: no sx_report.h" >&5
-echo "$as_me: error: no sx_report.h" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-done
-
-
-echo "$as_me:$LINENO: checking for sx_report in -lsxreport" >&5
-echo $ECHO_N "checking for sx_report in -lsxreport... $ECHO_C" >&6
-if test "${ac_cv_lib_sxreport_sx_report+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsxreport  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char sx_report ();
-int
-main ()
-{
-sx_report ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_lib_sxreport_sx_report=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_sxreport_sx_report=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_sxreport_sx_report" >&5
-echo "${ECHO_T}$ac_cv_lib_sxreport_sx_report" >&6
-if test $ac_cv_lib_sxreport_sx_report = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBSXREPORT 1
-_ACEOF
-
-  LIBS="-lsxreport $LIBS"
-
-else
-  { { echo "$as_me:$LINENO: error: no -lsxreport" >&5
-echo "$as_me: error: no -lsxreport" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-
-if test -d "../libptree" ; then
-	CFLAGS="$CFLAGS -I../libptree"
-	CPPFLAGS="$CPPFLAGS -I../libptree"
-	LDFLAGS="$LDFLAGS -L../libptree"
-fi
-
-
-for ac_header in sx_prefix.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_header_compiler=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_header_compiler=no
-fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  ac_header_preproc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------------------ ##
-## Report this to the AC_PACKAGE_NAME lists.  ##
-## ------------------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
-fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-else
-  { { echo "$as_me:$LINENO: error: no sx_prefix.h" >&5
-echo "$as_me: error: no sx_prefix.h" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-done
-
-
-echo "$as_me:$LINENO: checking for sx_prefix_new in -lsxprefix" >&5
-echo $ECHO_N "checking for sx_prefix_new in -lsxprefix... $ECHO_C" >&6
-if test "${ac_cv_lib_sxprefix_sx_prefix_new+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsxprefix  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char sx_prefix_new ();
-int
-main ()
-{
-sx_prefix_new ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-  (eval $ac_link) 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  ac_cv_lib_sxprefix_sx_prefix_new=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-ac_cv_lib_sxprefix_sx_prefix_new=no
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_sxprefix_sx_prefix_new" >&5
-echo "${ECHO_T}$ac_cv_lib_sxprefix_sx_prefix_new" >&6
-if test $ac_cv_lib_sxprefix_sx_prefix_new = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBSXPREFIX 1
-_ACEOF
-
-  LIBS="-lsxprefix $LIBS"
-
-else
-  { { echo "$as_me:$LINENO: error: no -lsxprefix" >&5
-echo "$as_me: error: no -lsxprefix" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-
           ac_config_files="$ac_config_files Makefile"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -3802,8 +2793,6 @@ s,@CPPFLAGS@,$CPPFLAGS,;t t
 s,@ac_ct_CC@,$ac_ct_CC,;t t
 s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
-s,@CPP@,$CPP,;t t
-s,@EGREP@,$EGREP,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t
 s,@LTLIBOBJS@,$LTLIBOBJS,;t t
 CEOF
diff --git a/configure.in b/configure.in
index 3227157..b35bdb8 100644
--- a/configure.in
+++ b/configure.in
@@ -2,23 +2,5 @@ AC_INIT(bgpq3.c)
 AC_CONFIG_HEADER(config.h)
 AC_PROG_CC
 
-if test -d "../libsxreport" ; then 
-	CFLAGS="$CFLAGS -I../libsxreport"
-	CPPFLAGS="$CPPFLAGS -I../libsxreport"
-	LDFLAGS="$LDFLAGS -L../libsxreport"
-fi
-
-AC_CHECK_HEADERS(sx_report.h,,[AC_MSG_ERROR([no sx_report.h])])
-AC_CHECK_LIB(sxreport,sx_report,,[AC_MSG_ERROR([no -lsxreport])])
-
-if test -d "../libptree" ; then 
-	CFLAGS="$CFLAGS -I../libptree"
-	CPPFLAGS="$CPPFLAGS -I../libptree"
-	LDFLAGS="$LDFLAGS -L../libptree"
-fi
-
-AC_CHECK_HEADERS(sx_prefix.h,,[AC_MSG_ERROR([no sx_prefix.h])])
-AC_CHECK_LIB(sxprefix,sx_prefix_new,,[AC_MSG_ERROR([no -lsxprefix])])
-
 AC_OUTPUT(Makefile)
 
diff --git a/sx_prefix.c b/sx_prefix.c
new file mode 100644
index 0000000..004b8c9
--- /dev/null
+++ b/sx_prefix.c
@@ -0,0 +1,624 @@
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+#include "sx_prefix.h"
+#include "sx_report.h"
+
+struct sx_prefix* 
+sx_prefix_alloc(struct sx_prefix* p)
+{ 
+	struct sx_prefix* sp=malloc(sizeof(struct sx_prefix));
+	if(!sp) return NULL;
+	if(p) { 
+		*sp=*p;
+	} else { 
+		memset(sp,0,sizeof(struct sx_prefix));
+	};
+	return sp;
+};
+void
+sx_prefix_destroy(struct sx_prefix* p)
+{ 
+	if(p) free(p);
+};
+
+void
+sx_prefix_adjust_masklen(struct sx_prefix* p)
+{ 
+	int nbytes=(p->family==AF_INET?4:16);
+	int i;
+	if(p->masklen==nbytes*8) return ; /* mask is all ones */
+	for(i=nbytes-1;i>p->masklen/8;i--) { 
+		p->addr.addrs[i]=0;
+	};
+	for(i=1;i<=8-p->masklen%8;i++) { 
+		p->addr.addrs[p->masklen/8]&=(0xff<<i);
+	};
+};
+
+int
+sx_prefix_parse(struct sx_prefix* p, int af, char* text)
+{ 
+	char* c=NULL;
+	int masklen;
+
+	c=strchr(text,'/');
+	if(c) { 
+		char* eod;
+		*c=0;
+		masklen=strtol(c+1,&eod,10);
+		if(eod[0]) { 
+			*c='/';
+			sx_report(SX_ERROR,"Invalid masklen in prefix %s\n", text);
+			goto fixups;
+		};
+	} else { 
+		masklen=-1;
+	};
+
+	if(!af) { 
+		if(strchr(text,':')) af=AF_INET6;
+		else 
+			af=AF_INET;
+	};
+
+	if(inet_pton(af,text,&p->addr)!=1) { 
+		*c='/';
+		sx_report(SX_ERROR,"Unable to parse prefix %s, af=%i\n",text,af);
+		goto fixups;
+	};
+
+	if(af==AF_INET) { 
+		if(masklen==-1) p->masklen=32;
+		else { 
+			if(masklen<0 || masklen>32) { 
+				p->masklen=32;
+			} else { 
+				p->masklen=masklen;
+			};
+		};
+	} else if(af==AF_INET6) { 
+		if(masklen==-1) p->masklen=128;
+		else { 
+			if(masklen<0 || masklen>128) { 
+				p->masklen=128;
+			} else { 
+				p->masklen=masklen;
+			};
+		};
+	} else { 
+		sx_report(SX_ERROR,"Invalid address family %i\n", af);
+		goto fixups;
+	};
+
+	p->family=af;
+	sx_prefix_adjust_masklen(p);
+	if(c) *c='/';
+
+	return 1;
+fixups:
+	return 0;
+};
+
+
+struct sx_prefix*
+sx_prefix_new(int af, char* text)
+{ 
+	struct sx_prefix* p=NULL;
+
+	if(!text) return NULL;
+
+	p=sx_prefix_alloc(NULL);
+
+	if(!p) return NULL;
+	if(!sx_prefix_parse(p,af,text)) { 
+		sx_prefix_destroy(p);
+		return NULL;
+	};
+	return p;
+};
+
+int
+sx_prefix_fprint(FILE* f, struct sx_prefix* p)
+{ 
+	char buffer[128];
+	if(!p) { 
+		fprintf(f?f:stdout,"(null)"); 
+		return 0; 
+	};
+	inet_ntop(p->family,&p->addr,buffer,sizeof(buffer));
+	return fprintf(f?f:stdout,"%s/%i",buffer,p->masklen);
+};
+
+int
+sx_prefix_snprintf(struct sx_prefix* p, char* rbuffer, int srb)
+{ 
+	char buffer[128];
+	if(!p) { 
+		snprintf(rbuffer,srb,"(null)"); 
+		return 0; 
+	};
+	inet_ntop(p->family,&p->addr,buffer,sizeof(buffer));
+	return snprintf(rbuffer,srb,"%s/%i",buffer,p->masklen);
+};
+
+struct sx_radix_tree* 
+sx_radix_tree_new(int af)
+{ 
+	struct sx_radix_tree* rt=malloc(sizeof(struct sx_radix_tree));
+	if(!rt) { 
+		return NULL;
+	};
+	memset(rt,0,sizeof(struct sx_radix_tree));
+	rt->family=af;
+	return rt;
+};
+
+struct sx_radix_node*
+sx_radix_node_new(struct sx_prefix* prefix)
+{ 
+	struct sx_radix_node* rn=malloc(sizeof(struct sx_radix_node));
+	if(!rn) return NULL;
+	memset(rn,0,sizeof(struct sx_radix_node));
+	if(prefix) { 
+		rn->prefix=*prefix; /* structure copy */
+	};
+	return rn;
+};
+
+inline int
+sx_prefix_eqbits(struct sx_prefix* a, struct sx_prefix* b)
+{ 
+	int i;
+	int nbytes=(a->family==AF_INET?4:16);
+	for(i=0;i<nbytes;i++) { 
+		if(a->addr.addrs[i]==b->addr.addrs[i]) continue;
+		else { 
+			int j;
+			for(j=0;j<8 && i*8+j<=a->masklen && i*8+j<=b->masklen;j++) { 
+				if((a->addr.addrs[i]&(0x80>>j))!=(b->addr.addrs[i]&(0x80>>j)))
+					return i*8+j;
+			};
+		};
+	};
+	if(a->masklen<b->masklen) return a->masklen;
+	return b->masklen;
+};
+
+inline int
+sx_prefix_isbitset(struct sx_prefix* p, int n)
+{ 
+	unsigned char s;
+	/* bits outside the prefix considered unset */
+	if(p->family==AF_INET && (n<0 || n>32)) return 0;
+	else if(p->family==AF_INET6 && (n<0 || n>32)) return 0;
+	s=p->addr.addrs[(n-1)/8];
+	return (s&(0x80>>((n-1)%8)))?1:0;
+};
+
+struct sx_prefix* 
+sx_prefix_overlay(struct sx_prefix* p, int n)
+{ 
+	struct sx_prefix* sp=sx_prefix_alloc(p);
+	sp->masklen=n;
+	sx_prefix_adjust_masklen(sp);
+	return sp;
+};
+
+void
+sx_radix_tree_unlink(struct sx_radix_tree* tree, struct sx_radix_node* node)
+{ 
+next:
+	if(node->r && node->l) { 
+		node->isGlue=1;
+	} else if(node->r) { 
+		if(node->parent) { 
+			if(node->parent->r==node) { 
+				node->parent->r=node->r;
+				node->r->parent=node->parent;
+			} else if(node->parent->l==node) { 
+				node->parent->l=node->l;
+				node->r->parent=node->parent;
+			} else { 
+				sx_report(SX_ERROR,"Unlinking node which is not descendant "
+					"of its parent\n");
+			};
+		} else if(tree->head==node) { 
+			/* only one case, really */
+			tree->head=node->r;
+			node->r->parent=NULL;
+		} else { 
+			sx_report(SX_ERROR,"Unlinking node with no parent and not root\n");
+		};
+	} else if(node->l) { 
+		if(node->parent) { 
+			if(node->parent->r==node) { 
+				node->parent->r=node->l;
+				node->l->parent=node->parent;
+			} else if(node->parent->l==node) { 
+				node->parent->l=node->l;
+				node->l->parent=node->parent;
+			} else { 
+				sx_report(SX_ERROR,"Unlinking node which is not descendant "
+					"of its parent\n");
+			};
+		} else if(tree->head==node) { 
+			tree->head=node->l;
+			node->l->parent=NULL;
+		} else { 
+			sx_report(SX_ERROR,"Unlinking node with no parent and not root\n");
+		};
+	} else { 
+		/* the only case - node does not have descendants */
+		if(node->parent) { 
+			if(node->parent->l==node) node->parent->l=NULL;
+			else if(node->parent->r==node) node->parent->r=NULL;
+			else { 
+				sx_report(SX_ERROR,"Unlinking node which is not descendant "
+					"of its parent\n");
+			};
+			if(node->parent->isGlue) { 
+				node=node->parent;
+				goto next;
+			};
+		} else if(tree->head==node) { 
+			tree->head=NULL;
+		};
+	};
+};
+	
+			
+struct sx_radix_node* 
+sx_radix_tree_lookup(struct sx_radix_tree* tree, struct sx_prefix* prefix)
+{ 
+	int eb;
+	struct sx_radix_node* candidate=NULL, *chead;
+
+	if(!tree || !prefix) return NULL;
+	if(tree->family!=prefix->family) return NULL;
+	if(!tree->head) return NULL;
+
+	chead=tree->head;
+
+next:
+	eb=sx_prefix_eqbits(&chead->prefix,prefix);
+	if(eb==chead->prefix.masklen && eb==prefix->masklen) { 
+		/* they are equal */
+		if(chead->isGlue) return candidate;
+		return chead;
+	} else if(eb<chead->prefix.masklen) { 
+		return candidate;
+	} else if(eb<prefix->masklen) { 
+		/* it equals chead->masklen */
+		if(sx_prefix_isbitset(prefix,eb+1)) { 
+			if(chead->r) { 
+				if(!chead->isGlue) { 
+					candidate=chead;
+				};
+				chead=chead->r;
+				goto next;
+			} else { 
+				if(chead->isGlue) return candidate;
+				return chead;
+			};
+		} else { 
+			if(chead->l) { 
+				if(!chead->isGlue) { 
+					candidate=chead;
+				};
+				chead=chead->l;
+				goto next;
+			} else { 
+				if(chead->isGlue) return candidate;
+				return chead;
+			};
+		};
+	} else { 
+		char pbuffer[128], cbuffer[128];
+		sx_prefix_snprintf(prefix,pbuffer,sizeof(pbuffer));
+		sx_prefix_snprintf(&chead->prefix,cbuffer,sizeof(cbuffer));
+		printf("Unreachible point... eb=%i, prefix=%s, chead=%s\n", eb,
+			pbuffer, cbuffer);
+		abort();
+	};
+};
+
+
+struct sx_radix_node*
+sx_radix_tree_insert(struct sx_radix_tree* tree, struct sx_prefix* prefix)
+{ 
+	int eb;
+	struct sx_radix_node** candidate=NULL, *chead;
+
+	if(!tree || !prefix) return NULL;
+	if(tree->family!=prefix->family) {
+		return NULL;
+	};
+	if(!tree->head) { 
+		tree->head=sx_radix_node_new(prefix);
+		return tree->head;
+	};
+	candidate=&tree->head;
+	chead=tree->head;
+
+next:
+	eb=sx_prefix_eqbits(prefix,&chead->prefix);
+	if(eb<prefix->masklen && eb<chead->prefix.masklen) { 
+		struct sx_prefix neoRoot=*prefix;
+		struct sx_radix_node* rn, *ret=sx_radix_node_new(prefix);
+		neoRoot.masklen=eb;
+		sx_prefix_adjust_masklen(&neoRoot);
+		rn=sx_radix_node_new(&neoRoot);
+		if(!rn) { 
+			sx_report(SX_ERROR,"Unable to create node: %s\n", strerror(errno));
+			return NULL;
+		};
+		if(sx_prefix_isbitset(prefix,eb+1)) { 
+			rn->l=chead;
+			rn->r=ret;
+		} else { 
+			rn->l=ret;
+			rn->r=chead;
+		};
+		chead->parent=rn;
+		ret->parent=rn;
+		rn->isGlue=1;
+		*candidate=rn;
+		return ret;
+	} else if(eb==prefix->masklen && eb<chead->prefix.masklen) { 
+		struct sx_radix_node* ret=sx_radix_node_new(prefix);
+		if(sx_prefix_isbitset(&chead->prefix,eb+1)) { 
+			ret->r=chead;
+		} else { 
+			ret->l=chead;
+		};
+		chead->parent=ret;
+		*candidate=ret;
+		return ret;
+	} else if(eb==chead->prefix.masklen && eb<prefix->masklen) { 
+		if(sx_prefix_isbitset(prefix,eb+1)) { 
+			if(chead->r) { 
+				candidate=&chead->r;
+				chead=chead->r;
+				goto next;
+			} else { 
+				chead->r=sx_radix_node_new(prefix);
+				chead->r->parent=chead;
+				return chead->r;
+			};
+		} else { 
+			if(chead->l) { 
+				candidate=&chead->l;
+				chead=chead->l;
+				goto next;
+			} else { 
+				chead->l=sx_radix_node_new(prefix);
+				chead->l->parent=chead;
+				return chead->l;
+			};
+		};
+	} else if(eb==chead->prefix.masklen && eb==prefix->masklen) { 
+		/* equal routes... */
+		if(chead->isGlue) { 
+			chead->isGlue=0;
+		};
+		return chead;
+	} else { 
+		char pbuffer[128], cbuffer[128];
+		sx_prefix_snprintf(prefix,pbuffer,sizeof(pbuffer));
+		sx_prefix_snprintf(&chead->prefix,cbuffer,sizeof(cbuffer));
+		printf("Unreachible point... eb=%i, prefix=%s, chead=%s\n", eb,
+			pbuffer, cbuffer);
+		abort();
+	};
+};
+
+void
+sx_radix_node_fprintf(struct sx_radix_node* node, void* udata)
+{ 
+	FILE* out=(udata?udata:stdout);
+	char buffer[128];
+	if(!node) { 
+		fprintf(out,"(null)\n");
+	} else { 
+		sx_prefix_snprintf(&node->prefix,buffer,sizeof(buffer));
+		fprintf(out,"%s %s\n", buffer, node->isGlue?"(glue)":"");
+	};
+};
+
+int 
+sx_radix_node_foreach(struct sx_radix_node* node, 
+	void (*func)(struct sx_radix_node*, void*), void* udata)
+{ 
+	func(node,udata);
+	if(node->l) sx_radix_node_foreach(node->l,func,udata);
+	if(node->r) sx_radix_node_foreach(node->r,func,udata);
+	return 0;
+};
+
+int
+sx_radix_tree_foreach(struct sx_radix_tree* tree, 
+	void (*func)(struct sx_radix_node*, void*), void* udata)
+{ 
+	if(!func || !tree || !tree->head) return 0;
+	sx_radix_node_foreach(tree->head,func,udata);
+	return 0;
+};
+	
+	
+
+
+#if SX_PTREE_TEST
+int 
+main() {
+	struct sx_prefix* p;
+	int n;
+	struct sx_radix_tree* tree;
+	struct sx_radix_node* node;
+
+	p=sx_prefix_new(0,strdup("10.11.12.13/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.13/33"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.13/-133"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+
+	p=sx_prefix_new(AF_INET,strdup("10.11.12.14/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET,strdup("10.11.12.14/33"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET,strdup("10.11.12.14/-133"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+
+	p=sx_prefix_new(AF_INET6,strdup("10.11.12.15/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET6,strdup("10.11.12.15/33"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET6,strdup("10.11.12.15/-133"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+
+	p=sx_prefix_new(0,strdup("2001:1b00::/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("2001:1b00::/33"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("2001:1b00::/-133"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+
+	p=sx_prefix_new(AF_INET6,strdup("2001:1b01::/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET6,strdup("2001:1b01::/33"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(AF_INET6,strdup("2001:1b01::/-133"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+
+#define SX_TEST_EBITS(a,b,susp) n=sx_prefix_eqbits(sx_prefix_new(0,strdup(a)),\
+		sx_prefix_new(0,strdup(b))); \
+		if(n!=susp) printf("FAILED: %s eqbits %s=%i, not %i\n", a, b, n, susp);\
+		else printf("OK, %s eqbits %s=%i, as suspected\n", a, b, n);
+	SX_TEST_EBITS("192.168.0.0/24","192.168.1.0/24",23);
+	SX_TEST_EBITS("192.168.0.0/32","192.168.0.1/32",31);
+#if SX_LIBPTREE_IPV6
+	SX_TEST_EBITS("2001:1b00::/32","2001:1b01::/32",31);
+#endif
+
+	p=sx_prefix_new(0,strdup("10.11.12.255/32"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n31'th bit is %i\n",sx_prefix_isbitset(p,31));
+	printf("32'th bit is %i\n",sx_prefix_isbitset(p,32));
+	printf("33'th bit is %i\n",sx_prefix_isbitset(p,33));
+	p=sx_prefix_new(0,strdup("10.11.12.255/31"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n31'th bit is %i\n",sx_prefix_isbitset(p,31));
+	printf("32'th bit is %i\n",sx_prefix_isbitset(p,32));
+	printf("33'th bit is %i\n",sx_prefix_isbitset(p,33));
+	p=sx_prefix_new(0,strdup("10.11.12.255/30"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n31'th bit is %i\n",sx_prefix_isbitset(p,31));
+	p=sx_prefix_new(0,strdup("10.11.12.255/29"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.255/28"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.255/27"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.255/26"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n");
+	p=sx_prefix_new(0,strdup("10.11.12.255/25"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n25'th bit is %i\n",sx_prefix_isbitset(p,25));
+	p=sx_prefix_new(0,strdup("10.11.12.255/24"));
+	sx_prefix_fprint(stdout,p);
+	printf("\n25'th bit is %i\n",sx_prefix_isbitset(p,25));
+
+	tree=sx_radix_tree_new(AF_INET);
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"81.9.100.10/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.83/32"));
+
+	sx_radix_tree_foreach(tree,sx_radix_node_fprintf,NULL);
+
+	tree=sx_radix_tree_new(AF_INET);
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"81.9.100.10/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.83/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.84/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.85/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.86/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.87/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.90/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.90/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"127.0.0.1/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"127.0.0.1/24"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"127.0.0.0/24"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"128.0.0.0/1"));
+
+	sx_radix_tree_foreach(tree,sx_radix_node_fprintf,NULL);
+
+	printf("lookup 1.1.1.1: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"1.1.1.1"));
+	sx_radix_node_fprintf(node,NULL);
+
+	printf("lookup 217.170.80.90: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"217.170.80.90"));
+	sx_radix_node_fprintf(node,NULL);
+
+	sx_radix_tree_unlink(tree,node);
+	printf("lookup 217.170.80.90 after delete: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"217.170.80.90"));
+	sx_radix_node_fprintf(node,NULL);
+
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"217.170.80.90/32"));
+	printf("lookup 217.170.80.90 after reinsert: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"217.170.80.90"));
+	sx_radix_node_fprintf(node,NULL);
+
+	printf("lookup 217.170.80.81: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"217.170.80.81"));
+	sx_radix_node_fprintf(node,NULL);
+
+	printf("lookup 127.0.0.1/24: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"127.0.0.1/24"));
+	sx_radix_node_fprintf(node,NULL);
+
+	printf("lookup 127.0.0.1/26: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"127.0.0.1/26"));
+	sx_radix_node_fprintf(node,NULL);
+
+	printf("lookup 127.0.0.1/23: ");
+	node=sx_radix_tree_lookup(tree,sx_prefix_new(0,"127.0.0.1/23"));
+	sx_radix_node_fprintf(node,NULL);
+
+	tree=sx_radix_tree_new(AF_INET6);
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"2100:1b00::/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"2100:1b01::/32"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"2100:1b00::/33"));
+	sx_radix_tree_insert(tree,sx_prefix_new(0,"2100:1b00::1/128"));
+	sx_radix_tree_foreach(tree,sx_radix_node_fprintf,NULL);
+
+	return 0;
+};
+
+#endif
diff --git a/sx_prefix.h b/sx_prefix.h
new file mode 100644
index 0000000..206a110
--- /dev/null
+++ b/sx_prefix.h
@@ -0,0 +1,56 @@
+#ifndef _SX_PREFIX_H_
+#define _SX_PREFIX_H_
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+typedef struct sx_prefix { 
+	int family; 
+	int masklen; 
+	union { 
+		struct in_addr  addr; 
+		struct in6_addr addr6; 
+		unsigned char   addrs[sizeof(struct in6_addr)];
+	} addr;
+} sx_prefix_t;
+
+typedef struct sx_radix_node { 
+	struct sx_radix_node* parent, *l, *r;
+	void* payload;
+	int   isGlue;
+	struct sx_prefix prefix;
+} sx_radix_node_t;
+
+typedef struct sx_radix_tree { 
+	int family;
+	struct sx_radix_node* head;
+} sx_radix_tree_t;
+
+/* most common operations with the tree is to: lookup/insert/unlink */
+struct sx_radix_node* sx_radix_tree_lookup(struct sx_radix_tree* tree,
+	struct sx_prefix* prefix);
+struct sx_radix_node* sx_radix_tree_insert(struct sx_radix_tree* tree, 
+	struct sx_prefix* prefix);
+void sx_radix_tree_unlink(struct sx_radix_tree* t, struct sx_radix_node* n);
+struct sx_radix_node* sx_radix_tree_lookup_exact(struct sx_radix_tree* tree,
+	struct sx_prefix* prefix);
+
+struct sx_prefix* sx_prefix_alloc(struct sx_prefix* p);
+void sx_prefix_destroy(struct sx_prefix* p);
+void sx_prefix_adjust_masklen(struct sx_prefix* p);
+struct sx_prefix* sx_prefix_new(int af, char* text);
+int sx_prefix_parse(struct sx_prefix* p, int af, char* text);
+int sx_prefix_fprint(FILE* f, struct sx_prefix* p);
+int sx_prefix_snprintf(struct sx_prefix* p, char* rbuffer, int srb);
+struct sx_radix_tree* sx_radix_tree_new(int af);
+struct sx_radix_node* sx_radix_node_new(struct sx_prefix* prefix);
+struct sx_prefix* sx_prefix_overlay(struct sx_prefix* p, int n);
+void sx_radix_node_fprintf(struct sx_radix_node* node, void* udata);
+int  sx_radix_node_foreach(struct sx_radix_node* node, 
+	void (*func)(struct sx_radix_node*, void*), void* udata);
+int sx_radix_tree_foreach(struct sx_radix_tree* tree, 
+	void (*func)(struct sx_radix_node*, void*), void* udata);
+
+#endif
diff --git a/sx_report.c b/sx_report.c
index f310036..7a32438 100644
--- a/sx_report.c
+++ b/sx_report.c
@@ -51,7 +51,7 @@ sx_report(sx_report_t t, char* fmt, ...)
 				syslog(LOG_ERR,"ERROR: %s", buffer);
 				break;
 			case SX_NOTICE: 
-				syslog(LOG_WARNING,"Warning: %s", buffer);
+				syslog(LOG_WARNING,"Notice: %s", buffer);
 				break;
 			case SX_DEBUG: 
 				syslog(LOG_DEBUG,"Debug: %s", buffer);