2 files changed, 17 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/hopu.c b/src/runtime/c/pgf/hopu.c
new file mode 100644
index 000000000..5767feac0
--- /dev/null
+++ b/src/runtime/c/pgf/hopu.c
@@ -0,0 +1,10 @@
+#include "data.h"
+#include "evaluator.h"
+#include "hopu.h"
+
+void pgf_pattern_unify(PgfEvalState* state, PgfClosure* c1, PgfClosure* c2)
+{
+	c1 = state->eval_gates->enter(state, c1);
+	c2 = state->eval_gates->enter(state, c2);
+}
+
diff --git a/src/runtime/c/pgf/hopu.h b/src/runtime/c/pgf/hopu.h
new file mode 100644
index 000000000..e012a3630
--- /dev/null
+++ b/src/runtime/c/pgf/hopu.h
@@ -0,0 +1,7 @@
+#ifndef HOPU_H
+#define HOPU_H
+
+void pgf_pattern_unify(PgfEvalState* state, PgfClosure* c1, PgfClosure* c2);
+
+#endif
+