Index: util_sheet.h
===================================================================
--- util_sheet.h	(nonexistent)
+++ util_sheet.h	(revision 8972)
@@ -0,0 +1,12 @@
+#include <libcschem/concrete.h>
+
+typedef enum csch_sheet_setup_cfg_e { /* bitfield */
+	CSCH_SSC_PENS,
+	CSCH_SSC_UUID
+} csch_sheet_setup_cfg_t;
+
+/* Copy defaults into dst (from the default sheet) as cfg dictates; if
+   CSCH_SSC_PENS is true chk_copy_pen is called on each pen and the pen
+   is copied only if it returns non-zero. If chk_copy_pen is NULL, it is
+   assumed to always return 1. */
+void csch_sheet_setup(csch_sheet_t *dst, csch_sheet_setup_cfg_t cfg, int (*chk_copy_pen)(void *udata, csch_sheet_t *dst), void *udata);