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
@@ -158,4 +158,5 @@ extern void cgit_querystring_cb(const char *name, const char *value);
 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);
 
 extern int hextoint(char c);