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-rw-r--r--include/rtthread.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/rtthread.h b/include/rtthread.h
index f0a69c8aac..b491c9e737 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -372,7 +372,6 @@ rt_uint8_t rt_interrupt_get_nest(void);
* general kernel service
*/
void rt_kprintf(const char *fmt, ...);
-rt_int32_t rt_sprintf(char *buf ,const char *format, ...);
rt_int32_t rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
rt_int32_t rt_sprintf(char *buf ,const char *format, ...);
rt_int32_t rt_snprintf(char *buf, rt_size_t size, const char *format, ...);