[libc][syscall]移除libc_stdio_read/write函数，优化syscall

1 files changed, 3 insertions, 6 deletions

diff --git a/components/libc/compilers/dlib/libc.h b/components/libc/compilers/dlib/libc.h
index fc3cafca78..9643c1161f 100644
--- a/components/libc/compilers/dlib/libc.h
+++ b/components/libc/compilers/dlib/libc.h
@@ -11,17 +11,14 @@
 #ifndef __RTT_LIBC_H__
 #define __RTT_LIBC_H__
 
-#include <stddef.h>
-
 #ifdef __cplusplus
 extern "C" {
 #endif
-int libc_system_init(void);
 
-int libc_stdio_set_console(const char* device_name, int mode);
+int libc_system_init(void);
 int libc_stdio_get_console(void);
-int libc_stdio_read(void* buffer, size_t size);
-int libc_stdio_write(const void* buffer, size_t size);
+int libc_stdio_set_console(const char* device_name, int mode);
+
 #ifdef __cplusplus
 }
 #endif