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-rw-r--r--src/string/strcspn.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/string/strcspn.c b/src/string/strcspn.c
index 3438de74..19f83fda 100644
--- a/src/string/strcspn.c
+++ b/src/string/strcspn.c
@@ -20,6 +20,8 @@ size_t strcspn(const char *s1, const char *s2)
return i;
}
+__check_2(size_t, 0, strcspn, const char *, const char *)
+
/***
the number of characters that the beginning of
the string ARGUMENT(s1) that are not in the string ARGUMENT(s2).