Index: examples/Makefile
===================================================================
--- examples/Makefile	(nonexistent)
+++ examples/Makefile	(revision 11180)
@@ -0,0 +1,6 @@
+CFLAGS = -I../..
+CFLAGS += -Wall -g -ansi -pedantic
+
+dump_hpgl: dump_hpgl.o ../parse.o
+
+dump_hpgl.o: dump_hpgl.c
Index: examples/dump_hpgl.c
===================================================================
--- examples/dump_hpgl.c	(nonexistent)
+++ examples/dump_hpgl.c	(revision 11180)
@@ -0,0 +1,102 @@
+/*
+    libuhpgl - the micro HP-GL library
+    Copyright (C) 2017  Tibor 'Igor2' Palinkas
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+    This library is part of pcb-rnd: http://repo.hu/projects/pcb-rnd
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <libuhpgl/libuhpgl.h>
+#include <libuhpgl/parse.h>
+
+
+static int dump_line(uhpgl_ctx_t *ctx, uhpgl_line_t *line)
+{
+	printf("line: %ld;%ld  %ld;%ld\n", line->p1.x, line->p1.y, line->p2.x, line->p2.y);
+	return 0;
+}
+
+static void dump_arc_(uhpgl_ctx_t *ctx, uhpgl_arc_t *arc, const char *type)
+{
+	printf("%s: %ld;%ld;%ld %f->%f (%f) (%ld;%ld->%ld;%ld)\n", type,
+		arc->center.x, arc->center.y, arc->r,
+		arc->starta, arc->enda, arc->deltaa,
+		arc->startp.x, arc->startp.y, arc->endp.x, arc->endp.y);
+}
+
+static int dump_arc(uhpgl_ctx_t *ctx, uhpgl_arc_t *arc)
+{
+	dump_arc_(ctx, arc, "arc");
+	return 0;
+}
+
+
+static int dump_circ(uhpgl_ctx_t *ctx, uhpgl_arc_t *circ)
+{
+	printf("circ: %ld;%ld;%ld\n",
+		circ->center.x, circ->center.y, circ->r);
+	return 0;
+}
+
+static int dump_poly(uhpgl_ctx_t *ctx, uhpgl_poly_t *poly)
+{
+#warning TODO
+	return 0;
+}
+
+static int dump_wedge(uhpgl_ctx_t *ctx, uhpgl_wedge_t *wedge)
+{
+	dump_arc_(ctx, &wedge->arc, "wedge");
+	return 0;
+}
+
+static int dump_rect(uhpgl_ctx_t *ctx, uhpgl_rect_t *rect)
+{
+	printf("line: %ld;%ld  %ld;%ld\n", rect->p1.x, rect->p1.y, rect->p2.x, rect->p2.y);
+	return 0;
+}
+
+static int print_error(uhpgl_ctx_t *ctx)
+{
+	fprintf(stderr, "Error on stdin:%d.%d: %s\n", ctx->error.line, ctx->error.col, ctx->error.msg);
+	return -1;
+}
+
+int main()
+{
+	uhpgl_ctx_t ctx;
+
+	memset(&ctx, 0, sizeof(ctx));
+
+	ctx.conf.line  = dump_line;
+	ctx.conf.arc   = dump_arc;
+	ctx.conf.circ  = dump_circ;
+	ctx.conf.poly  = dump_poly;
+	ctx.conf.wedge = dump_wedge;
+	ctx.conf.rect  = dump_rect;
+
+	if (uhpgl_parse_open(&ctx) != 0)
+		return print_error(&ctx);
+	if (uhpgl_parse_file(&ctx, stdin) != 0)
+		return print_error(&ctx);
+	if (uhpgl_parse_close(&ctx) != 0)
+		return print_error(&ctx);
+	return 0;
+}
+
Index: examples/rect.hpgl
===================================================================
--- examples/rect.hpgl	(nonexistent)
+++ examples/rect.hpgl	(revision 11180)
@@ -0,0 +1,11 @@
+IN;
+
+PA0,0;
+
+PD;
+PA200,0;
+PA200,200;
+PA0,200;
+PA0,0;
+PU;
+
Index: examples/rect_bound.hpgl
===================================================================
--- examples/rect_bound.hpgl	(nonexistent)
+++ examples/rect_bound.hpgl	(revision 11180)
@@ -0,0 +1,13 @@
+IN;
+IP0,0,4000,4000;
+SC0,200,0,200;
+SP1;
+PA0,0;
+
+PD;
+PA200,0;
+PA200,200;
+PA0,200;
+PA0,0;
+PU;
+