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-rw-r--r--json_object.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/json_object.h b/json_object.h
index 1ee9fb0..e9898f4 100644
--- a/json_object.h
+++ b/json_object.h
@@ -79,6 +79,7 @@ extern void json_object_put(struct json_object *obj);
* Check if the json_object is of a given type
* @param obj the json_object instance
* @param type one of:
+ json_type_null (i.e. obj == NULL),
json_type_boolean,
json_type_double,
json_type_int,
@@ -92,6 +93,7 @@ extern int json_object_is_type(struct json_object *obj, enum json_type type);
* Get the type of the json_object
* @param obj the json_object instance
* @returns type being one of:
+ json_type_null (i.e. obj == NULL),
json_type_boolean,
json_type_double,
json_type_int,