原始版本

RT_Thread/examples/libc/env.c

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2010-11-17     Bernard      first version
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <finsh.h>
+
+int libc_env()
+{
+    printf("PATH=%s\n", getenv("PATH"));
+    putenv("foo=bar");
+    printf("foo=%s\n", getenv("foo"));
+    return 0;
+}
+FINSH_FUNCTION_EXPORT(libc_env, get/set_env test);