../../libdiskfs/fsys-get-children.c:49:42: error: expected ';' at end of declaration
  error_t check_access (const char *path)
                                         ^
                                         ;
../../libdiskfs/fsys-get-children.c:86:41: error: use of undeclared identifier 'c'
  err = fshelp_get_active_translators (&c, &c_len, check_access);
                                        ^
../../libdiskfs/fsys-get-children.c:90:40: error: use of undeclared identifier 'c'
  err = iohelp_return_malloced_buffer (c, c_len, children, children_len);
                                       ^
../../libdiskfs/fsys-get-children.c:94:3: error: use of undeclared identifier 'c'
  c = NULL; /* c was freed by iohelp_return_malloced_buffer. */
  ^
../../libdiskfs/fsys-get-children.c:97:9: error: use of undeclared identifier 'c'
  free (c);
        ^
5 errors generated.