#include "fs.h"// routines to handle file name pathint get_next_fname(char *path, char *dir){// get next path component in path, and put it in dir. // if we have the last component return 1; otherwise return 0 // if path was "aaa/bbb/ccc", dir= "aaa" and  return value is 0// if path was "ccc", dir ="ccc", and return value is 1   return get_next_tok(path, dir, '/');}char * move_to_remaining_path(char *path){// if path is "aaa/bbb/ccc", this function will return "bbb/ccc"   int n=findloc(path, '/');   if (n==-1) // there is no remaining path. return NULL      return 0;   else       return (&path[n+1]);}