[libc] implement extension standard C functions (#6044)

* implement extension standard C functions

1 files changed, 33 insertions, 0 deletions

diff --git a/components/libc/compilers/common/include/sys/statfs.h b/components/libc/compilers/common/include/sys/statfs.h
new file mode 100644
index 0000000000..818ec9eb77
--- /dev/null
+++ b/components/libc/compilers/common/include/sys/statfs.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#ifndef __SYS_STATFS_H__
+#define __SYS_STATFS_H__
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct statfs
+{
+    size_t f_bsize;   /* block size */
+    size_t f_blocks;  /* total data blocks in file system */
+    size_t f_bfree;   /* free blocks in file system */
+};
+
+int statfs(const char *path, struct statfs *buf);
+int fstatfs(int fd, struct statfs *buf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif