working on figuring out how this code works

selfrestart.c

@@ -10,9 +10,19 @@
  * I'm doing the do{}while(); trick because Linux (what I'm running) is not
  * POSIX compilant and so lstat() cannot be trusted on /proc entries
  *
+ * See Also: 
+ *     man 2 stat #TODO: Figure this out on linux
+ *
+ *     According to POSIX.1-2001, lstat() on a symbolic link need return
+       valid information only in the st_size field and the file type of
+       the st_mode field of the stat structure.  POSIX.1-2008 tightens
+       the specification, requiring lstat() to return valid information
+       in all fields except the mode bits in st_mode.
+ *
  * @return char* the path of the current executable
  */
 char *get_dwm_path(){
+    // https://en.wikibooks.org/wiki/C_Programming/POSIX_Reference/sys/stat.h#Member_types
     struct stat s;
     int r, length, rate = 42;
     char *path = NULL;