[klibc] add kerrno.h

1 files changed, 27 insertions, 0 deletions

diff --git a/include/klibc/kstdio.h b/include/klibc/kstdio.h
new file mode 100644
index 0000000000..215e9a9245
--- /dev/null
+++ b/include/klibc/kstdio.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-09-22     Meco Man     the first version
+ */
+
+#ifndef __RT_KSTDIO_H__
+#define __RT_KSTDIO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
+int rt_vsnprintf(char *buf, rt_size_t size, const char *fmt, va_list args);
+int rt_sprintf(char *buf, const char *format, ...);
+int rt_snprintf(char *buf, rt_size_t size, const char *format, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif