80     SdFile * lf = new SdFile{file};  in fs_open()  local
82     return (void *)lf;  in fs_open()
94     SdFile * lf = (SdFile *)file_p;  in fs_close()  local
95     lf->file.close();  in fs_close()
96     delete lf;  in fs_close()
113     SdFile * lf = (SdFile *)file_p;  in fs_read()  local
114     *br = lf->file.read((uint8_t *)buf, btr);  in fs_read()
131     SdFile * lf = (SdFile *)file_p;  in fs_write()  local
132     *bw = lf->file.write((uint8_t *)buf, btw);  in fs_write()
156     SdFile * lf = (SdFile *)file_p;  in fs_seek()  local
158     int rc = lf->file.seek(pos, mode);  in fs_seek()
173     SdFile * lf = (SdFile *)file_p;  in fs_tell()  local
175     *pos_p = lf->file.position();  in fs_tell()