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-rw-r--r--src/runtime/c/pgf/pgf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/pgf.h b/src/runtime/c/pgf/pgf.h
index 4a6199c6f..365d20d73 100644
--- a/src/runtime/c/pgf/pgf.h
+++ b/src/runtime/c/pgf/pgf.h
@@ -66,6 +66,9 @@ pgf_iter_functions_by_cat(PgfPGF* pgf, PgfCId catname,
PgfType*
pgf_function_type(PgfPGF* pgf, PgfCId funname);
+double
+pgf_function_prob(PgfPGF* pgf, PgfCId funname);
+
GuString
pgf_print_name(PgfConcr*, PgfCId id);