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Diffstat (limited to 'src/runtime/c/pgf/graphviz.h')
-rw-r--r--src/runtime/c/pgf/graphviz.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/graphviz.h b/src/runtime/c/pgf/graphviz.h
new file mode 100644
index 000000000..749c6ef5f
--- /dev/null
+++ b/src/runtime/c/pgf/graphviz.h
@@ -0,0 +1,7 @@
+#ifndef PGF_GRAPHVIZ_H_
+#define PGF_GRAPHVIZ_H_
+
+void
+pgf_graphviz_abstract_tree(PgfExpr expr, GuWriter* wtr, GuExn* err);
+
+#endif