418   char *gridfile = strdup(pgridfile);  in cdo_define_grid()  local
421   if (len > 2 && gridfile[len - 2] == ':' && isdigit(gridfile[len - 1]))  in cdo_define_grid()
423       gridno = gridfile[len - 1] - '0';  in cdo_define_grid()
424       gridfile[len - 2] = 0;  in cdo_define_grid()
427   char *filename = expand_filename(gridfile);  in cdo_define_grid()
431     filename = gridfile;  in cdo_define_grid()
444       gridID = grid_from_name(gridfile);  in cdo_define_grid()
446       if (gridID == -1) cdo_abort("Open failed on %s!", gridfile);  in cdo_define_grid()
521   free(gridfile);  in cdo_define_grid()
527 cdo_define_grid(const std::string &gridfile)  in cdo_define_grid()  argument
529   return cdo_define_grid(gridfile.c_str());  in cdo_define_grid()
535   char gridfile[4096];  in cdo_set_grids()  local
538   while (getoptname(gridfile, gridarg, nfile++) == 0)  in cdo_set_grids()
540       (void) cdo_define_grid(gridfile);  in cdo_set_grids()