1 files changed, 4 insertions, 0 deletions
diff --git a/st.h b/st.h
index e795f557bd..5f6cf991c3 100644
--- a/st.h
+++ b/st.h
@@ -27,6 +27,10 @@ struct st_table {
 
 enum st_retval {ST_CONTINUE, ST_STOP, ST_DELETE, ST_CHECK};
 
+#ifndef _
+# define _(args) args
+#endif
+
 st_table *st_init_table _((struct st_hash_type *));
 st_table *st_init_table_with_size _((struct st_hash_type *, int));
 st_table *st_init_numtable _((void));