1 files changed, 1 insertions, 0 deletions

diff --git a/cgit.h b/cgit.h
index f01f6c9..6937c42 100644
--- a/cgit.h
+++ b/cgit.h
@@ -159,2 +159,3 @@ extern int chk_zero(int result, char *msg);
 extern int chk_positive(int result, char *msg);
+extern int chk_non_negative(int result, char *msg);