Index: trunk/src/libcschem/Makefile.in
===================================================================
--- trunk/src/libcschem/Makefile.in	(revision 358)
+++ trunk/src/libcschem/Makefile.in	(revision 359)
@@ -4,8 +4,10 @@
 include {template/cc.tmpasm}
 
 put /local/csch/OBJS [@
+ concrete.o
  compile.o
  plug_io.o
+ project.o
  rtree.o
  vtcoutline.o
  vtoid.o
Index: trunk/src/libcschem/project.c
===================================================================
--- trunk/src/libcschem/project.c	(nonexistent)
+++ trunk/src/libcschem/project.c	(revision 359)
@@ -0,0 +1,23 @@
+#include "project.h"
+
+csch_project_t *csch_project_alloc(void)
+{
+	csch_project_t *prj;
+
+	prj = calloc(sizeof(csch_project_t), 1);
+	vtp0_init(&prj->sheets);
+	vts0_init(&prj->symlibs);
+	return prj;
+}
+
+void csch_project_free(csch_project_t *prj)
+{
+	int n;
+	for(n = 0; n < vtp0_len(&prj->sheets); n++)
+		csch_sheet_free(prj->sheets.array[n]);
+	for(n = 0; n < vts0_len(&prj->symlibs); n++)
+		free(prj->symlibs.array[n]);
+	vtp0_uninit(&prj->sheets);
+	vts0_uninit(&prj->symlibs);
+	free(prj);
+}
Index: trunk/src/libcschem/project.h
===================================================================
--- trunk/src/libcschem/project.h	(nonexistent)
+++ trunk/src/libcschem/project.h	(revision 359)
@@ -0,0 +1,16 @@
+#ifndef CSCH_PROJECT_H
+#define CSCH_PROJECT_H
+
+#include <libcschem/concrete.h>
+#include <genvector/vtp0.h>
+#include <genvector/vts0.h>
+
+typedef struct csch_project_s {
+	vtp0_t sheets;
+	vts0_t symlibs;
+} csch_project_t;
+
+csch_project_t *csch_project_alloc(void);
+void csch_project_free(csch_project_t *);
+
+#endif