[Update] Sync from v4.0.3

1 files changed, 4 insertions, 1 deletions

diff --git a/include/rtthread.h b/include/rtthread.h
index 32fe011ab2..419f02695b 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -40,6 +40,9 @@ extern "C" {
 void rt_system_object_init(void);
 struct rt_object_information *
 rt_object_get_information(enum rt_object_class_type type);
+int rt_object_get_length(enum rt_object_class_type type);
+int rt_object_get_pointers(enum rt_object_class_type type, rt_object_t *pointers, int maxlen);
+
 void rt_object_init(struct rt_object         *object,
                     enum rt_object_class_type type,
                     const char               *name);
@@ -514,7 +517,7 @@ rt_int32_t rt_sscanf(const char *buf, const char *fmt, ...);
 char *rt_strncpy(char *dest, const char *src, rt_ubase_t n);
 void *rt_memmove(void *dest, const void *src, rt_ubase_t n);
 rt_int32_t rt_memcmp(const void *cs, const void *ct, rt_ubase_t count);
-rt_uint32_t rt_strcasecmp(const char *a, const char *b);
+rt_int32_t rt_strcasecmp(const char *a, const char *b);
 
 void rt_show_version(void);