1 files changed, 3 insertions, 0 deletions
diff --git a/buf.h b/buf.h
index 8ca6014..72bbc45 100644
--- a/buf.h
+++ b/buf.h
@@ -17,6 +17,9 @@ typedef struct buf_t
 create empty buffer structure
 */
 buf_t* buf_init();
+
+int buf_not_null( buf_t *bf );
+
 /*
 if empty setup new buffer
 if not empty resize?