🦄 refactor(C14, C15):

C14-文件系统/fs/getenv.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv)
+{
+
+    puts(getenv("PATH"));
+
+    getchar();
+    /**
+     *  ./getenv
+     *  ps axf | grep getenv
+     *  pmap 4938
+     */
+
+    exit(0);
+}